Home / 113,097.60-169,538.40-42,001.20

Finding the Fourth Proportional to 113,097.60, 169,538.40 and 42,001.20

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Solution

The fourth proportional to 113,097.60, 169,538.40 and 42,001.20 is: 62,961.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,097.60 : 169,538.40 = 42,001.20 : x
  2. Step 2: Convert to fraction form
    113,097.60/169,538.40 = 42,001.20/x
  3. Step 3: Cross multiply
    113,097.60x = 169,538.40 × 42,001.20
  4. Step 4: Simplify right side
    113,097.60x = 7,120,816,246.08
  5. Step 5: Solve for x
    x = 7,120,816,246.08/113,097.60
  6. Step 6: Final answer
    x = 62,961.69

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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.