Home / 147,724.95-221,643.26-57,831.90

Finding the Fourth Proportional to 147,724.95, 221,643.26 and 57,831.90

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Solution

The fourth proportional to 147,724.95, 221,643.26 and 57,831.90 is: 86,769.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,724.95 : 221,643.26 = 57,831.90 : x
  2. Step 2: Convert to fraction form
    147,724.95/221,643.26 = 57,831.90/x
  3. Step 3: Cross multiply
    147,724.95x = 221,643.26 × 57,831.90
  4. Step 4: Simplify right side
    147,724.95x = 12,818,050,558.83
  5. Step 5: Solve for x
    x = 12,818,050,558.83/147,724.95
  6. Step 6: Final answer
    x = 86,769.71

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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.