Home / 156,426.40-234,639.60-51,248.80

Finding the Fourth Proportional to 156,426.40, 234,639.60 and 51,248.80

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Solution

The fourth proportional to 156,426.40, 234,639.60 and 51,248.80 is: 76,873.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,426.40 : 234,639.60 = 51,248.80 : x
  2. Step 2: Convert to fraction form
    156,426.40/234,639.60 = 51,248.80/x
  3. Step 3: Cross multiply
    156,426.40x = 234,639.60 × 51,248.80
  4. Step 4: Simplify right side
    156,426.40x = 12,024,997,932.48
  5. Step 5: Solve for x
    x = 12,024,997,932.48/156,426.40
  6. Step 6: Final answer
    x = 76,873.20

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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.