Home / 154,831.95-232,191.23-121,616.69

Finding the Fourth Proportional to 154,831.95, 232,191.23 and 121,616.69

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Solution

The fourth proportional to 154,831.95, 232,191.23 and 121,616.69 is: 182,380.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,831.95 : 232,191.23 = 121,616.69 : x
  2. Step 2: Convert to fraction form
    154,831.95/232,191.23 = 121,616.69/x
  3. Step 3: Cross multiply
    154,831.95x = 232,191.23 × 121,616.69
  4. Step 4: Simplify right side
    154,831.95x = 28,238,327,070.59
  5. Step 5: Solve for x
    x = 28,238,327,070.59/154,831.95
  6. Step 6: Final answer
    x = 182,380.49

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