Home / 131,250.33-181,124.51-74,664.81

Finding the Fourth Proportional to 131,250.33, 181,124.51 and 74,664.81

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Solution

The fourth proportional to 131,250.33, 181,124.51 and 74,664.81 is: 103,036.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,250.33 : 181,124.51 = 74,664.81 : x
  2. Step 2: Convert to fraction form
    131,250.33/181,124.51 = 74,664.81/x
  3. Step 3: Cross multiply
    131,250.33x = 181,124.51 × 74,664.81
  4. Step 4: Simplify right side
    131,250.33x = 13,523,626,752.17
  5. Step 5: Solve for x
    x = 13,523,626,752.17/131,250.33
  6. Step 6: Final answer
    x = 103,036.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.