Home / 88,207.65-121,744.28-52,390.73

Finding the Fourth Proportional to 88,207.65, 121,744.28 and 52,390.73

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Solution

The fourth proportional to 88,207.65, 121,744.28 and 52,390.73 is: 72,309.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,207.65 : 121,744.28 = 52,390.73 : x
  2. Step 2: Convert to fraction form
    88,207.65/121,744.28 = 52,390.73/x
  3. Step 3: Cross multiply
    88,207.65x = 121,744.28 × 52,390.73
  4. Step 4: Simplify right side
    88,207.65x = 6,378,272,137.86
  5. Step 5: Solve for x
    x = 6,378,272,137.86/88,207.65
  6. Step 6: Final answer
    x = 72,309.74

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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.