Home / 155,132.58-232,480.17-70,685.22

Finding the Fourth Proportional to 155,132.58, 232,480.17 and 70,685.22

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Solution

The fourth proportional to 155,132.58, 232,480.17 and 70,685.22 is: 105,928.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,132.58 : 232,480.17 = 70,685.22 : x
  2. Step 2: Convert to fraction form
    155,132.58/232,480.17 = 70,685.22/x
  3. Step 3: Cross multiply
    155,132.58x = 232,480.17 × 70,685.22
  4. Step 4: Simplify right side
    155,132.58x = 16,432,911,962.09
  5. Step 5: Solve for x
    x = 16,432,911,962.09/155,132.58
  6. Step 6: Final answer
    x = 105,928.18

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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.