Home / 123,799.28-170,842.53-67,210.64

Finding the Fourth Proportional to 123,799.28, 170,842.53 and 67,210.64

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Solution

The fourth proportional to 123,799.28, 170,842.53 and 67,210.64 is: 92,750.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,799.28 : 170,842.53 = 67,210.64 : x
  2. Step 2: Convert to fraction form
    123,799.28/170,842.53 = 67,210.64/x
  3. Step 3: Cross multiply
    123,799.28x = 170,842.53 × 67,210.64
  4. Step 4: Simplify right side
    123,799.28x = 11,482,435,780.52
  5. Step 5: Solve for x
    x = 11,482,435,780.52/123,799.28
  6. Step 6: Final answer
    x = 92,750.42

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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.