Home / 131,898.32-182,097.48-86,655.36

Finding the Fourth Proportional to 131,898.32, 182,097.48 and 86,655.36

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Solution

The fourth proportional to 131,898.32, 182,097.48 and 86,655.36 is: 119,635.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,898.32 : 182,097.48 = 86,655.36 : x
  2. Step 2: Convert to fraction form
    131,898.32/182,097.48 = 86,655.36/x
  3. Step 3: Cross multiply
    131,898.32x = 182,097.48 × 86,655.36
  4. Step 4: Simplify right side
    131,898.32x = 15,779,722,684.49
  5. Step 5: Solve for x
    x = 15,779,722,684.49/131,898.32
  6. Step 6: Final answer
    x = 119,635.51

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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.