Home / 342,233.95-513,386.13-129,181.32

Finding the Fourth Proportional to 342,233.95, 513,386.13 and 129,181.32

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Solution

The fourth proportional to 342,233.95, 513,386.13 and 129,181.32 is: 193,785.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,233.95 : 513,386.13 = 129,181.32 : x
  2. Step 2: Convert to fraction form
    342,233.95/513,386.13 = 129,181.32/x
  3. Step 3: Cross multiply
    342,233.95x = 513,386.13 × 129,181.32
  4. Step 4: Simplify right side
    342,233.95x = 66,319,897,943.09
  5. Step 5: Solve for x
    x = 66,319,897,943.09/342,233.95
  6. Step 6: Final answer
    x = 193,785.27

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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.