Home / 155,111.20-232,721.48-149,643.70

Finding the Fourth Proportional to 155,111.20, 232,721.48 and 149,643.70

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Solution

The fourth proportional to 155,111.20, 232,721.48 and 149,643.70 is: 224,518.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,111.20 : 232,721.48 = 149,643.70 : x
  2. Step 2: Convert to fraction form
    155,111.20/232,721.48 = 149,643.70/x
  3. Step 3: Cross multiply
    155,111.20x = 232,721.48 × 149,643.70
  4. Step 4: Simplify right side
    155,111.20x = 34,825,303,336.68
  5. Step 5: Solve for x
    x = 34,825,303,336.68/155,111.20
  6. Step 6: Final answer
    x = 224,518.30

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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.