Home / 113,193.60-169,682.40-42,097.20

Finding the Fourth Proportional to 113,193.60, 169,682.40 and 42,097.20

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Solution

The fourth proportional to 113,193.60, 169,682.40 and 42,097.20 is: 63,105.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,193.60 : 169,682.40 = 42,097.20 : x
  2. Step 2: Convert to fraction form
    113,193.60/169,682.40 = 42,097.20/x
  3. Step 3: Cross multiply
    113,193.60x = 169,682.40 × 42,097.20
  4. Step 4: Simplify right side
    113,193.60x = 7,143,153,929.28
  5. Step 5: Solve for x
    x = 7,143,153,929.28/113,193.60
  6. Step 6: Final answer
    x = 63,105.63

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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.