Home / 91,281.80-136,922.69-37,972.76

Finding the Fourth Proportional to 91,281.80, 136,922.69 and 37,972.76

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Solution

The fourth proportional to 91,281.80, 136,922.69 and 37,972.76 is: 56,959.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,281.80 : 136,922.69 = 37,972.76 : x
  2. Step 2: Convert to fraction form
    91,281.80/136,922.69 = 37,972.76/x
  3. Step 3: Cross multiply
    91,281.80x = 136,922.69 × 37,972.76
  4. Step 4: Simplify right side
    91,281.80x = 5,199,332,598.37
  5. Step 5: Solve for x
    x = 5,199,332,598.37/91,281.80
  6. Step 6: Final answer
    x = 56,959.14

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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.