Home / 134,618.31-185,774.53-74,191.13

Finding the Fourth Proportional to 134,618.31, 185,774.53 and 74,191.13

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Solution

The fourth proportional to 134,618.31, 185,774.53 and 74,191.13 is: 102,384.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,618.31 : 185,774.53 = 74,191.13 : x
  2. Step 2: Convert to fraction form
    134,618.31/185,774.53 = 74,191.13/x
  3. Step 3: Cross multiply
    134,618.31x = 185,774.53 × 74,191.13
  4. Step 4: Simplify right side
    134,618.31x = 13,782,821,377.05
  5. Step 5: Solve for x
    x = 13,782,821,377.05/134,618.31
  6. Step 6: Final answer
    x = 102,384.45

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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.