Home / 97,109.16-134,013.12-54,669.18

Finding the Fourth Proportional to 97,109.16, 134,013.12 and 54,669.18

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Solution

The fourth proportional to 97,109.16, 134,013.12 and 54,669.18 is: 75,444.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,109.16 : 134,013.12 = 54,669.18 : x
  2. Step 2: Convert to fraction form
    97,109.16/134,013.12 = 54,669.18/x
  3. Step 3: Cross multiply
    97,109.16x = 134,013.12 × 54,669.18
  4. Step 4: Simplify right side
    97,109.16x = 7,326,387,379.64
  5. Step 5: Solve for x
    x = 7,326,387,379.64/97,109.16
  6. Step 6: Final answer
    x = 75,444.86

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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.