Home / 156,724.32-234,982.08-56,871.56

Finding the Fourth Proportional to 156,724.32, 234,982.08 and 56,871.56

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Solution

The fourth proportional to 156,724.32, 234,982.08 and 56,871.56 is: 85,269.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,724.32 : 234,982.08 = 56,871.56 : x
  2. Step 2: Convert to fraction form
    156,724.32/234,982.08 = 56,871.56/x
  3. Step 3: Cross multiply
    156,724.32x = 234,982.08 × 56,871.56
  4. Step 4: Simplify right side
    156,724.32x = 13,363,797,461.64
  5. Step 5: Solve for x
    x = 13,363,797,461.64/156,724.32
  6. Step 6: Final answer
    x = 85,269.46

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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.