Home / 170,612.90-235,444.16-94,132.61

Finding the Fourth Proportional to 170,612.90, 235,444.16 and 94,132.61

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Solution

The fourth proportional to 170,612.90, 235,444.16 and 94,132.61 is: 129,902.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,612.90 : 235,444.16 = 94,132.61 : x
  2. Step 2: Convert to fraction form
    170,612.90/235,444.16 = 94,132.61/x
  3. Step 3: Cross multiply
    170,612.90x = 235,444.16 × 94,132.61
  4. Step 4: Simplify right side
    170,612.90x = 22,162,971,642.17
  5. Step 5: Solve for x
    x = 22,162,971,642.17/170,612.90
  6. Step 6: Final answer
    x = 129,902.09

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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.