Home / 148,780.04-205,225.80-88,309.76

Finding the Fourth Proportional to 148,780.04, 205,225.80 and 88,309.76

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Solution

The fourth proportional to 148,780.04, 205,225.80 and 88,309.76 is: 121,813.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,780.04 : 205,225.80 = 88,309.76 : x
  2. Step 2: Convert to fraction form
    148,780.04/205,225.80 = 88,309.76/x
  3. Step 3: Cross multiply
    148,780.04x = 205,225.80 × 88,309.76
  4. Step 4: Simplify right side
    148,780.04x = 18,123,441,143.81
  5. Step 5: Solve for x
    x = 18,123,441,143.81/148,780.04
  6. Step 6: Final answer
    x = 121,813.66

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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.