Home / 122,345.60-183,459.07-71,761.16

Finding the Fourth Proportional to 122,345.60, 183,459.07 and 71,761.16

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Solution

The fourth proportional to 122,345.60, 183,459.07 and 71,761.16 is: 107,606.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,345.60 : 183,459.07 = 71,761.16 : x
  2. Step 2: Convert to fraction form
    122,345.60/183,459.07 = 71,761.16/x
  3. Step 3: Cross multiply
    122,345.60x = 183,459.07 × 71,761.16
  4. Step 4: Simplify right side
    122,345.60x = 13,165,234,399.62
  5. Step 5: Solve for x
    x = 13,165,234,399.62/122,345.60
  6. Step 6: Final answer
    x = 107,606.93

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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.