Home / 103,831.02-155,746.53-28,948.14

Finding the Fourth Proportional to 103,831.02, 155,746.53 and 28,948.14

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Solution

The fourth proportional to 103,831.02, 155,746.53 and 28,948.14 is: 43,422.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,831.02 : 155,746.53 = 28,948.14 : x
  2. Step 2: Convert to fraction form
    103,831.02/155,746.53 = 28,948.14/x
  3. Step 3: Cross multiply
    103,831.02x = 155,746.53 × 28,948.14
  4. Step 4: Simplify right side
    103,831.02x = 4,508,572,354.95
  5. Step 5: Solve for x
    x = 4,508,572,354.95/103,831.02
  6. Step 6: Final answer
    x = 43,422.21

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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.