Home / 131,366.85-181,097.28-93,575.49

Finding the Fourth Proportional to 131,366.85, 181,097.28 and 93,575.49

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Solution

The fourth proportional to 131,366.85, 181,097.28 and 93,575.49 is: 128,999.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,366.85 : 181,097.28 = 93,575.49 : x
  2. Step 2: Convert to fraction form
    131,366.85/181,097.28 = 93,575.49/x
  3. Step 3: Cross multiply
    131,366.85x = 181,097.28 × 93,575.49
  4. Step 4: Simplify right side
    131,366.85x = 16,946,266,713.67
  5. Step 5: Solve for x
    x = 16,946,266,713.67/131,366.85
  6. Step 6: Final answer
    x = 128,999.57

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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.