Home / 97,458.42-134,469.80-57,170.10

Finding the Fourth Proportional to 97,458.42, 134,469.80 and 57,170.10

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Solution

The fourth proportional to 97,458.42, 134,469.80 and 57,170.10 is: 78,881.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,458.42 : 134,469.80 = 57,170.10 : x
  2. Step 2: Convert to fraction form
    97,458.42/134,469.80 = 57,170.10/x
  3. Step 3: Cross multiply
    97,458.42x = 134,469.80 × 57,170.10
  4. Step 4: Simplify right side
    97,458.42x = 7,687,651,912.98
  5. Step 5: Solve for x
    x = 7,687,651,912.98/97,458.42
  6. Step 6: Final answer
    x = 78,881.35

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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.