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Finding the Fourth Proportional to 202,011.49, 303,106.51 and 105,925.76

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Solution

The fourth proportional to 202,011.49, 303,106.51 and 105,925.76 is: 158,935.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,011.49 : 303,106.51 = 105,925.76 : x
  2. Step 2: Convert to fraction form
    202,011.49/303,106.51 = 105,925.76/x
  3. Step 3: Cross multiply
    202,011.49x = 303,106.51 × 105,925.76
  4. Step 4: Simplify right side
    202,011.49x = 32,106,788,295.36
  5. Step 5: Solve for x
    x = 32,106,788,295.36/202,011.49
  6. Step 6: Final answer
    x = 158,935.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.