Home / 140,707.13-194,177.08-83,349.72

Finding the Fourth Proportional to 140,707.13, 194,177.08 and 83,349.72

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Solution

The fourth proportional to 140,707.13, 194,177.08 and 83,349.72 is: 115,023.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,707.13 : 194,177.08 = 83,349.72 : x
  2. Step 2: Convert to fraction form
    140,707.13/194,177.08 = 83,349.72/x
  3. Step 3: Cross multiply
    140,707.13x = 194,177.08 × 83,349.72
  4. Step 4: Simplify right side
    140,707.13x = 16,184,605,248.42
  5. Step 5: Solve for x
    x = 16,184,605,248.42/140,707.13
  6. Step 6: Final answer
    x = 115,023.35

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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.