Home / 156,302.56-215,697.18-84,684.52

Finding the Fourth Proportional to 156,302.56, 215,697.18 and 84,684.52

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Solution

The fourth proportional to 156,302.56, 215,697.18 and 84,684.52 is: 116,864.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,302.56 : 215,697.18 = 84,684.52 : x
  2. Step 2: Convert to fraction form
    156,302.56/215,697.18 = 84,684.52/x
  3. Step 3: Cross multiply
    156,302.56x = 215,697.18 × 84,684.52
  4. Step 4: Simplify right side
    156,302.56x = 18,266,212,153.65
  5. Step 5: Solve for x
    x = 18,266,212,153.65/156,302.56
  6. Step 6: Final answer
    x = 116,864.45

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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.