Home / 156,095.12-215,411.95-84,475.15

Finding the Fourth Proportional to 156,095.12, 215,411.95 and 84,475.15

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Solution

The fourth proportional to 156,095.12, 215,411.95 and 84,475.15 is: 116,576.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,095.12 : 215,411.95 = 84,475.15 : x
  2. Step 2: Convert to fraction form
    156,095.12/215,411.95 = 84,475.15/x
  3. Step 3: Cross multiply
    156,095.12x = 215,411.95 × 84,475.15
  4. Step 4: Simplify right side
    156,095.12x = 18,196,956,788.04
  5. Step 5: Solve for x
    x = 18,196,956,788.04/156,095.12
  6. Step 6: Final answer
    x = 116,576.08

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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.