Home / 369,123.86-553,685.95-102,891.22

Finding the Fourth Proportional to 369,123.86, 553,685.95 and 102,891.22

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Solution

The fourth proportional to 369,123.86, 553,685.95 and 102,891.22 is: 154,336.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,123.86 : 553,685.95 = 102,891.22 : x
  2. Step 2: Convert to fraction form
    369,123.86/553,685.95 = 102,891.22/x
  3. Step 3: Cross multiply
    369,123.86x = 553,685.95 × 102,891.22
  4. Step 4: Simplify right side
    369,123.86x = 56,969,422,892.36
  5. Step 5: Solve for x
    x = 56,969,422,892.36/369,123.86
  6. Step 6: Final answer
    x = 154,336.87

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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.