Home / 118,432.13-163,436.14-64,717.16

Finding the Fourth Proportional to 118,432.13, 163,436.14 and 64,717.16

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Solution

The fourth proportional to 118,432.13, 163,436.14 and 64,717.16 is: 89,309.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,432.13 : 163,436.14 = 64,717.16 : x
  2. Step 2: Convert to fraction form
    118,432.13/163,436.14 = 64,717.16/x
  3. Step 3: Cross multiply
    118,432.13x = 163,436.14 × 64,717.16
  4. Step 4: Simplify right side
    118,432.13x = 10,577,122,822.16
  5. Step 5: Solve for x
    x = 10,577,122,822.16/118,432.13
  6. Step 6: Final answer
    x = 89,309.57

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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.