Home / 156,607.92-234,882.72-72,364.80

Finding the Fourth Proportional to 156,607.92, 234,882.72 and 72,364.80

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Solution

The fourth proportional to 156,607.92, 234,882.72 and 72,364.80 is: 108,533.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,607.92 : 234,882.72 = 72,364.80 : x
  2. Step 2: Convert to fraction form
    156,607.92/234,882.72 = 72,364.80/x
  3. Step 3: Cross multiply
    156,607.92x = 234,882.72 × 72,364.80
  4. Step 4: Simplify right side
    156,607.92x = 16,997,241,056.26
  5. Step 5: Solve for x
    x = 16,997,241,056.26/156,607.92
  6. Step 6: Final answer
    x = 108,533.73

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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.