Home / 156,203.04-215,576.10-112,631.42

Finding the Fourth Proportional to 156,203.04, 215,576.10 and 112,631.42

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Solution

The fourth proportional to 156,203.04, 215,576.10 and 112,631.42 is: 155,442.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,203.04 : 215,576.10 = 112,631.42 : x
  2. Step 2: Convert to fraction form
    156,203.04/215,576.10 = 112,631.42/x
  3. Step 3: Cross multiply
    156,203.04x = 215,576.10 × 112,631.42
  4. Step 4: Simplify right side
    156,203.04x = 24,280,642,261.06
  5. Step 5: Solve for x
    x = 24,280,642,261.06/156,203.04
  6. Step 6: Final answer
    x = 155,442.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.