Home / 88,981.88-133,332.35-72,260.55

Finding the Fourth Proportional to 88,981.88, 133,332.35 and 72,260.55

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Solution

The fourth proportional to 88,981.88, 133,332.35 and 72,260.55 is: 108,276.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,981.88 : 133,332.35 = 72,260.55 : x
  2. Step 2: Convert to fraction form
    88,981.88/133,332.35 = 72,260.55/x
  3. Step 3: Cross multiply
    88,981.88x = 133,332.35 × 72,260.55
  4. Step 4: Simplify right side
    88,981.88x = 9,634,668,582.49
  5. Step 5: Solve for x
    x = 9,634,668,582.49/88,981.88
  6. Step 6: Final answer
    x = 108,276.75

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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.