Home / 131,414.87-181,352.59-70,985.51

Finding the Fourth Proportional to 131,414.87, 181,352.59 and 70,985.51

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Solution

The fourth proportional to 131,414.87, 181,352.59 and 70,985.51 is: 97,960.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,414.87 : 181,352.59 = 70,985.51 : x
  2. Step 2: Convert to fraction form
    131,414.87/181,352.59 = 70,985.51/x
  3. Step 3: Cross multiply
    131,414.87x = 181,352.59 × 70,985.51
  4. Step 4: Simplify right side
    131,414.87x = 12,873,406,396.52
  5. Step 5: Solve for x
    x = 12,873,406,396.52/131,414.87
  6. Step 6: Final answer
    x = 97,960.04

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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.