Home / 153,734.75-212,163.46-84,823.88

Finding the Fourth Proportional to 153,734.75, 212,163.46 and 84,823.88

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Solution

The fourth proportional to 153,734.75, 212,163.46 and 84,823.88 is: 117,062.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,734.75 : 212,163.46 = 84,823.88 : x
  2. Step 2: Convert to fraction form
    153,734.75/212,163.46 = 84,823.88/x
  3. Step 3: Cross multiply
    153,734.75x = 212,163.46 × 84,823.88
  4. Step 4: Simplify right side
    153,734.75x = 17,996,526,810.61
  5. Step 5: Solve for x
    x = 17,996,526,810.61/153,734.75
  6. Step 6: Final answer
    x = 117,062.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.