Home / 97,462.72-134,499.69-57,177.18

Finding the Fourth Proportional to 97,462.72, 134,499.69 and 57,177.18

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Solution

The fourth proportional to 97,462.72, 134,499.69 and 57,177.18 is: 78,905.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,462.72 : 134,499.69 = 57,177.18 : x
  2. Step 2: Convert to fraction form
    97,462.72/134,499.69 = 57,177.18/x
  3. Step 3: Cross multiply
    97,462.72x = 134,499.69 × 57,177.18
  4. Step 4: Simplify right side
    97,462.72x = 7,690,312,985.07
  5. Step 5: Solve for x
    x = 7,690,312,985.07/97,462.72
  6. Step 6: Final answer
    x = 78,905.18

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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.