Home / 134,451.31-185,535.77-74,010.15

Finding the Fourth Proportional to 134,451.31, 185,535.77 and 74,010.15

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Solution

The fourth proportional to 134,451.31, 185,535.77 and 74,010.15 is: 102,130.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,451.31 : 185,535.77 = 74,010.15 : x
  2. Step 2: Convert to fraction form
    134,451.31/185,535.77 = 74,010.15/x
  3. Step 3: Cross multiply
    134,451.31x = 185,535.77 × 74,010.15
  4. Step 4: Simplify right side
    134,451.31x = 13,731,529,798.01
  5. Step 5: Solve for x
    x = 13,731,529,798.01/134,451.31
  6. Step 6: Final answer
    x = 102,130.13

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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.