Home / 84,180.04-126,232.90-31,552.62

Finding the Fourth Proportional to 84,180.04, 126,232.90 and 31,552.62

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Solution

The fourth proportional to 84,180.04, 126,232.90 and 31,552.62 is: 47,315.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,180.04 : 126,232.90 = 31,552.62 : x
  2. Step 2: Convert to fraction form
    84,180.04/126,232.90 = 31,552.62/x
  3. Step 3: Cross multiply
    84,180.04x = 126,232.90 × 31,552.62
  4. Step 4: Simplify right side
    84,180.04x = 3,982,978,804.08
  5. Step 5: Solve for x
    x = 3,982,978,804.08/84,180.04
  6. Step 6: Final answer
    x = 47,315.00

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1.5x scale

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.