Home / 131,410.26-181,282.74-86,068.29

Finding the Fourth Proportional to 131,410.26, 181,282.74 and 86,068.29

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Solution

The fourth proportional to 131,410.26, 181,282.74 and 86,068.29 is: 118,732.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,410.26 : 181,282.74 = 86,068.29 : x
  2. Step 2: Convert to fraction form
    131,410.26/181,282.74 = 86,068.29/x
  3. Step 3: Cross multiply
    131,410.26x = 181,282.74 × 86,068.29
  4. Step 4: Simplify right side
    131,410.26x = 15,602,695,438.31
  5. Step 5: Solve for x
    x = 15,602,695,438.31/131,410.26
  6. Step 6: Final answer
    x = 118,732.70

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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.