Home / 131,755.95-181,823.01-71,326.58

Finding the Fourth Proportional to 131,755.95, 181,823.01 and 71,326.58

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Solution

The fourth proportional to 131,755.95, 181,823.01 and 71,326.58 is: 98,430.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,755.95 : 181,823.01 = 71,326.58 : x
  2. Step 2: Convert to fraction form
    131,755.95/181,823.01 = 71,326.58/x
  3. Step 3: Cross multiply
    131,755.95x = 181,823.01 × 71,326.58
  4. Step 4: Simplify right side
    131,755.95x = 12,968,813,468.61
  5. Step 5: Solve for x
    x = 12,968,813,468.61/131,755.95
  6. Step 6: Final answer
    x = 98,430.57

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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.