Home / 131,980.86-181,889.28-93,742.11

Finding the Fourth Proportional to 131,980.86, 181,889.28 and 93,742.11

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Solution

The fourth proportional to 131,980.86, 181,889.28 and 93,742.11 is: 129,190.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,980.86 : 181,889.28 = 93,742.11 : x
  2. Step 2: Convert to fraction form
    131,980.86/181,889.28 = 93,742.11/x
  3. Step 3: Cross multiply
    131,980.86x = 181,889.28 × 93,742.11
  4. Step 4: Simplify right side
    131,980.86x = 17,050,684,893.58
  5. Step 5: Solve for x
    x = 17,050,684,893.58/131,980.86
  6. Step 6: Final answer
    x = 129,190.59

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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.