Home / 109,818.40-164,727.60-101,264.80

Finding the Fourth Proportional to 109,818.40, 164,727.60 and 101,264.80

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Solution

The fourth proportional to 109,818.40, 164,727.60 and 101,264.80 is: 151,897.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,818.40 : 164,727.60 = 101,264.80 : x
  2. Step 2: Convert to fraction form
    109,818.40/164,727.60 = 101,264.80/x
  3. Step 3: Cross multiply
    109,818.40x = 164,727.60 × 101,264.80
  4. Step 4: Simplify right side
    109,818.40x = 16,681,107,468.48
  5. Step 5: Solve for x
    x = 16,681,107,468.48/109,818.40
  6. Step 6: Final answer
    x = 151,897.20

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1.5x scale

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.