Home / 134,581.06-185,720.95-74,150.30

Finding the Fourth Proportional to 134,581.06, 185,720.95 and 74,150.30

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Solution

The fourth proportional to 134,581.06, 185,720.95 and 74,150.30 is: 102,326.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,581.06 : 185,720.95 = 74,150.30 : x
  2. Step 2: Convert to fraction form
    134,581.06/185,720.95 = 74,150.30/x
  3. Step 3: Cross multiply
    134,581.06x = 185,720.95 × 74,150.30
  4. Step 4: Simplify right side
    134,581.06x = 13,771,264,715.78
  5. Step 5: Solve for x
    x = 13,771,264,715.78/134,581.06
  6. Step 6: Final answer
    x = 102,326.91

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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.