Home / 102,341.25-153,510.75-40,011.21

Finding the Fourth Proportional to 102,341.25, 153,510.75 and 40,011.21

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Solution

The fourth proportional to 102,341.25, 153,510.75 and 40,011.21 is: 60,016.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,341.25 : 153,510.75 = 40,011.21 : x
  2. Step 2: Convert to fraction form
    102,341.25/153,510.75 = 40,011.21/x
  3. Step 3: Cross multiply
    102,341.25x = 153,510.75 × 40,011.21
  4. Step 4: Simplify right side
    102,341.25x = 6,142,150,855.51
  5. Step 5: Solve for x
    x = 6,142,150,855.51/102,341.25
  6. Step 6: Final answer
    x = 60,016.38

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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.