Home / 97,277.80-134,310.18-73,431.40

Finding the Fourth Proportional to 97,277.80, 134,310.18 and 73,431.40

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Solution

The fourth proportional to 97,277.80, 134,310.18 and 73,431.40 is: 101,385.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,277.80 : 134,310.18 = 73,431.40 : x
  2. Step 2: Convert to fraction form
    97,277.80/134,310.18 = 73,431.40/x
  3. Step 3: Cross multiply
    97,277.80x = 134,310.18 × 73,431.40
  4. Step 4: Simplify right side
    97,277.80x = 9,862,584,551.65
  5. Step 5: Solve for x
    x = 9,862,584,551.65/97,277.80
  6. Step 6: Final answer
    x = 101,385.77

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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.