Home / 155,109.47-232,337.25-70,940.50

Finding the Fourth Proportional to 155,109.47, 232,337.25 and 70,940.50

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Solution

The fourth proportional to 155,109.47, 232,337.25 and 70,940.50 is: 106,261.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,109.47 : 232,337.25 = 70,940.50 : x
  2. Step 2: Convert to fraction form
    155,109.47/232,337.25 = 70,940.50/x
  3. Step 3: Cross multiply
    155,109.47x = 232,337.25 × 70,940.50
  4. Step 4: Simplify right side
    155,109.47x = 16,482,120,102.78
  5. Step 5: Solve for x
    x = 16,482,120,102.78/155,109.47
  6. Step 6: Final answer
    x = 106,261.21

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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.