Home / 131,810.24-197,715.60-38,316.80

Finding the Fourth Proportional to 131,810.24, 197,715.60 and 38,316.80

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Solution

The fourth proportional to 131,810.24, 197,715.60 and 38,316.80 is: 57,475.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,810.24 : 197,715.60 = 38,316.80 : x
  2. Step 2: Convert to fraction form
    131,810.24/197,715.60 = 38,316.80/x
  3. Step 3: Cross multiply
    131,810.24x = 197,715.60 × 38,316.80
  4. Step 4: Simplify right side
    131,810.24x = 7,575,829,102.08
  5. Step 5: Solve for x
    x = 7,575,829,102.08/131,810.24
  6. Step 6: Final answer
    x = 57,475.27

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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.