Home / 145,831.38-218,768.93-52,359

Finding the Fourth Proportional to 145,831.38, 218,768.93 and 52,359

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Solution

The fourth proportional to 145,831.38, 218,768.93 and 52,359 is: 78,546.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,831.38 : 218,768.93 = 52,359 : x
  2. Step 2: Convert to fraction form
    145,831.38/218,768.93 = 52,359/x
  3. Step 3: Cross multiply
    145,831.38x = 218,768.93 × 52,359
  4. Step 4: Simplify right side
    145,831.38x = 11,454,522,405.87
  5. Step 5: Solve for x
    x = 11,454,522,405.87/145,831.38
  6. Step 6: Final answer
    x = 78,546.35

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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.