Home / 91,122.62-136,730.03-61,478.17

Finding the Fourth Proportional to 91,122.62, 136,730.03 and 61,478.17

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Solution

The fourth proportional to 91,122.62, 136,730.03 and 61,478.17 is: 92,248.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,122.62 : 136,730.03 = 61,478.17 : x
  2. Step 2: Convert to fraction form
    91,122.62/136,730.03 = 61,478.17/x
  3. Step 3: Cross multiply
    91,122.62x = 136,730.03 × 61,478.17
  4. Step 4: Simplify right side
    91,122.62x = 8,405,911,379.23
  5. Step 5: Solve for x
    x = 8,405,911,379.23/91,122.62
  6. Step 6: Final answer
    x = 92,248.36

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1.5x scale

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.