Home / 131,577.17-181,565.46-77,852.84

Finding the Fourth Proportional to 131,577.17, 181,565.46 and 77,852.84

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Solution

The fourth proportional to 131,577.17, 181,565.46 and 77,852.84 is: 107,430.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,577.17 : 181,565.46 = 77,852.84 : x
  2. Step 2: Convert to fraction form
    131,577.17/181,565.46 = 77,852.84/x
  3. Step 3: Cross multiply
    131,577.17x = 181,565.46 × 77,852.84
  4. Step 4: Simplify right side
    131,577.17x = 14,135,385,799.08
  5. Step 5: Solve for x
    x = 14,135,385,799.08/131,577.17
  6. Step 6: Final answer
    x = 107,430.39

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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.