Home / 130,487.52-180,084.40-73,902.56

Finding the Fourth Proportional to 130,487.52, 180,084.40 and 73,902.56

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Solution

The fourth proportional to 130,487.52, 180,084.40 and 73,902.56 is: 101,992.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,487.52 : 180,084.40 = 73,902.56 : x
  2. Step 2: Convert to fraction form
    130,487.52/180,084.40 = 73,902.56/x
  3. Step 3: Cross multiply
    130,487.52x = 180,084.40 × 73,902.56
  4. Step 4: Simplify right side
    130,487.52x = 13,308,698,176.06
  5. Step 5: Solve for x
    x = 13,308,698,176.06/130,487.52
  6. Step 6: Final answer
    x = 101,992.12

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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.