Home / 97,314.20-145,863.30-38,130.20

Finding the Fourth Proportional to 97,314.20, 145,863.30 and 38,130.20

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Solution

The fourth proportional to 97,314.20, 145,863.30 and 38,130.20 is: 57,152.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,314.20 : 145,863.30 = 38,130.20 : x
  2. Step 2: Convert to fraction form
    97,314.20/145,863.30 = 38,130.20/x
  3. Step 3: Cross multiply
    97,314.20x = 145,863.30 × 38,130.20
  4. Step 4: Simplify right side
    97,314.20x = 5,561,796,801.66
  5. Step 5: Solve for x
    x = 5,561,796,801.66/97,314.20
  6. Step 6: Final answer
    x = 57,152.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.