Home / 146,443.95-219,709.67-103,831.47

Finding the Fourth Proportional to 146,443.95, 219,709.67 and 103,831.47

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Solution

The fourth proportional to 146,443.95, 219,709.67 and 103,831.47 is: 155,778.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,443.95 : 219,709.67 = 103,831.47 : x
  2. Step 2: Convert to fraction form
    146,443.95/219,709.67 = 103,831.47/x
  3. Step 3: Cross multiply
    146,443.95x = 219,709.67 × 103,831.47
  4. Step 4: Simplify right side
    146,443.95x = 22,812,777,490.16
  5. Step 5: Solve for x
    x = 22,812,777,490.16/146,443.95
  6. Step 6: Final answer
    x = 155,778.22

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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.