Home / 115,269.60-172,904.40-62,781.60

Finding the Fourth Proportional to 115,269.60, 172,904.40 and 62,781.60

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Solution

The fourth proportional to 115,269.60, 172,904.40 and 62,781.60 is: 94,172.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,269.60 : 172,904.40 = 62,781.60 : x
  2. Step 2: Convert to fraction form
    115,269.60/172,904.40 = 62,781.60/x
  3. Step 3: Cross multiply
    115,269.60x = 172,904.40 × 62,781.60
  4. Step 4: Simplify right side
    115,269.60x = 10,855,214,879.04
  5. Step 5: Solve for x
    x = 10,855,214,879.04/115,269.60
  6. Step 6: Final answer
    x = 94,172.40

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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.