Home / 130,737.90-180,355.50-82,907.94

Finding the Fourth Proportional to 130,737.90, 180,355.50 and 82,907.94

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Solution

The fourth proportional to 130,737.90, 180,355.50 and 82,907.94 is: 114,373.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,737.90 : 180,355.50 = 82,907.94 : x
  2. Step 2: Convert to fraction form
    130,737.90/180,355.50 = 82,907.94/x
  3. Step 3: Cross multiply
    130,737.90x = 180,355.50 × 82,907.94
  4. Step 4: Simplify right side
    130,737.90x = 14,952,902,972.67
  5. Step 5: Solve for x
    x = 14,952,902,972.67/130,737.90
  6. Step 6: Final answer
    x = 114,373.13

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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.