Home / 156,219.17-215,582.03-84,599.18

Finding the Fourth Proportional to 156,219.17, 215,582.03 and 84,599.18

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Solution

The fourth proportional to 156,219.17, 215,582.03 and 84,599.18 is: 116,746.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,219.17 : 215,582.03 = 84,599.18 : x
  2. Step 2: Convert to fraction form
    156,219.17/215,582.03 = 84,599.18/x
  3. Step 3: Cross multiply
    156,219.17x = 215,582.03 × 84,599.18
  4. Step 4: Simplify right side
    156,219.17x = 18,238,062,960.74
  5. Step 5: Solve for x
    x = 18,238,062,960.74/156,219.17
  6. Step 6: Final answer
    x = 116,746.64

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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.