Home / 131,382.32-181,307.60-70,952.97

Finding the Fourth Proportional to 131,382.32, 181,307.60 and 70,952.97

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Solution

The fourth proportional to 131,382.32, 181,307.60 and 70,952.97 is: 97,915.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,382.32 : 181,307.60 = 70,952.97 : x
  2. Step 2: Convert to fraction form
    131,382.32/181,307.60 = 70,952.97/x
  3. Step 3: Cross multiply
    131,382.32x = 181,307.60 × 70,952.97
  4. Step 4: Simplify right side
    131,382.32x = 12,864,312,614.88
  5. Step 5: Solve for x
    x = 12,864,312,614.88/131,382.32
  6. Step 6: Final answer
    x = 97,915.10

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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.