Home / 97,617.30-134,710.47-55,174.38

Finding the Fourth Proportional to 97,617.30, 134,710.47 and 55,174.38

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Solution

The fourth proportional to 97,617.30, 134,710.47 and 55,174.38 is: 76,139.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,617.30 : 134,710.47 = 55,174.38 : x
  2. Step 2: Convert to fraction form
    97,617.30/134,710.47 = 55,174.38/x
  3. Step 3: Cross multiply
    97,617.30x = 134,710.47 × 55,174.38
  4. Step 4: Simplify right side
    97,617.30x = 7,432,566,661.76
  5. Step 5: Solve for x
    x = 7,432,566,661.76/97,617.30
  6. Step 6: Final answer
    x = 76,139.85

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1.5x scale

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.