Home / 91,535.16-136,900.98-79,677.24

Finding the Fourth Proportional to 91,535.16, 136,900.98 and 79,677.24

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Solution

The fourth proportional to 91,535.16, 136,900.98 and 79,677.24 is: 119,166.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,535.16 : 136,900.98 = 79,677.24 : x
  2. Step 2: Convert to fraction form
    91,535.16/136,900.98 = 79,677.24/x
  3. Step 3: Cross multiply
    91,535.16x = 136,900.98 × 79,677.24
  4. Step 4: Simplify right side
    91,535.16x = 10,907,892,239.70
  5. Step 5: Solve for x
    x = 10,907,892,239.70/91,535.16
  6. Step 6: Final answer
    x = 119,166.15

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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.