Home / 121,539.60-181,981.35-95,295.60

Finding the Fourth Proportional to 121,539.60, 181,981.35 and 95,295.60

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Solution

The fourth proportional to 121,539.60, 181,981.35 and 95,295.60 is: 142,686.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,539.60 : 181,981.35 = 95,295.60 : x
  2. Step 2: Convert to fraction form
    121,539.60/181,981.35 = 95,295.60/x
  3. Step 3: Cross multiply
    121,539.60x = 181,981.35 × 95,295.60
  4. Step 4: Simplify right side
    121,539.60x = 17,342,021,937.06
  5. Step 5: Solve for x
    x = 17,342,021,937.06/121,539.60
  6. Step 6: Final answer
    x = 142,686.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.