Home / 118,432.73-163,439.52-64,721.08

Finding the Fourth Proportional to 118,432.73, 163,439.52 and 64,721.08

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Solution

The fourth proportional to 118,432.73, 163,439.52 and 64,721.08 is: 89,316.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,432.73 : 163,439.52 = 64,721.08 : x
  2. Step 2: Convert to fraction form
    118,432.73/163,439.52 = 64,721.08/x
  3. Step 3: Cross multiply
    118,432.73x = 163,439.52 × 64,721.08
  4. Step 4: Simplify right side
    118,432.73x = 10,577,981,655.39
  5. Step 5: Solve for x
    x = 10,577,981,655.39/118,432.73
  6. Step 6: Final answer
    x = 89,316.37

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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.