Home / 156,095.42-215,411.70-84,475.46

Finding the Fourth Proportional to 156,095.42, 215,411.70 and 84,475.46

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Solution

The fourth proportional to 156,095.42, 215,411.70 and 84,475.46 is: 116,576.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,095.42 : 215,411.70 = 84,475.46 : x
  2. Step 2: Convert to fraction form
    156,095.42/215,411.70 = 84,475.46/x
  3. Step 3: Cross multiply
    156,095.42x = 215,411.70 × 84,475.46
  4. Step 4: Simplify right side
    156,095.42x = 18,197,002,446.88
  5. Step 5: Solve for x
    x = 18,197,002,446.88/156,095.42
  6. Step 6: Final answer
    x = 116,576.15

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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.