Home / 121,681.20-182,521.80-88,244.40

Finding the Fourth Proportional to 121,681.20, 182,521.80 and 88,244.40

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Solution

The fourth proportional to 121,681.20, 182,521.80 and 88,244.40 is: 132,366.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,681.20 : 182,521.80 = 88,244.40 : x
  2. Step 2: Convert to fraction form
    121,681.20/182,521.80 = 88,244.40/x
  3. Step 3: Cross multiply
    121,681.20x = 182,521.80 × 88,244.40
  4. Step 4: Simplify right side
    121,681.20x = 16,106,526,727.92
  5. Step 5: Solve for x
    x = 16,106,526,727.92/121,681.20
  6. Step 6: Final answer
    x = 132,366.60

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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.