Home / 112,233.60-168,350.40-42,103.80

Finding the Fourth Proportional to 112,233.60, 168,350.40 and 42,103.80

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Solution

The fourth proportional to 112,233.60, 168,350.40 and 42,103.80 is: 63,155.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,233.60 : 168,350.40 = 42,103.80 : x
  2. Step 2: Convert to fraction form
    112,233.60/168,350.40 = 42,103.80/x
  3. Step 3: Cross multiply
    112,233.60x = 168,350.40 × 42,103.80
  4. Step 4: Simplify right side
    112,233.60x = 7,088,191,571.52
  5. Step 5: Solve for x
    x = 7,088,191,571.52/112,233.60
  6. Step 6: Final answer
    x = 63,155.70

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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.