Home / 156,281.04-215,667.63-84,661.38

Finding the Fourth Proportional to 156,281.04, 215,667.63 and 84,661.38

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Solution

The fourth proportional to 156,281.04, 215,667.63 and 84,661.38 is: 116,832.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,281.04 : 215,667.63 = 84,661.38 : x
  2. Step 2: Convert to fraction form
    156,281.04/215,667.63 = 84,661.38/x
  3. Step 3: Cross multiply
    156,281.04x = 215,667.63 × 84,661.38
  4. Step 4: Simplify right side
    156,281.04x = 18,258,719,177.13
  5. Step 5: Solve for x
    x = 18,258,719,177.13/156,281.04
  6. Step 6: Final answer
    x = 116,832.59

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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.