Home / 121,523.10-182,284.65-42,645.30

Finding the Fourth Proportional to 121,523.10, 182,284.65 and 42,645.30

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Solution

The fourth proportional to 121,523.10, 182,284.65 and 42,645.30 is: 63,967.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,523.10 : 182,284.65 = 42,645.30 : x
  2. Step 2: Convert to fraction form
    121,523.10/182,284.65 = 42,645.30/x
  3. Step 3: Cross multiply
    121,523.10x = 182,284.65 × 42,645.30
  4. Step 4: Simplify right side
    121,523.10x = 7,773,583,584.65
  5. Step 5: Solve for x
    x = 7,773,583,584.65/121,523.10
  6. Step 6: Final answer
    x = 63,967.95

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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.