Home / 112,273.60-168,410.40-42,149.20

Finding the Fourth Proportional to 112,273.60, 168,410.40 and 42,149.20

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Solution

The fourth proportional to 112,273.60, 168,410.40 and 42,149.20 is: 63,223.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,273.60 : 168,410.40 = 42,149.20 : x
  2. Step 2: Convert to fraction form
    112,273.60/168,410.40 = 42,149.20/x
  3. Step 3: Cross multiply
    112,273.60x = 168,410.40 × 42,149.20
  4. Step 4: Simplify right side
    112,273.60x = 7,098,363,631.68
  5. Step 5: Solve for x
    x = 7,098,363,631.68/112,273.60
  6. Step 6: Final answer
    x = 63,223.80

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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.