Home / 121,427.10-182,140.65-62,378.10

Finding the Fourth Proportional to 121,427.10, 182,140.65 and 62,378.10

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Solution

The fourth proportional to 121,427.10, 182,140.65 and 62,378.10 is: 93,567.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,427.10 : 182,140.65 = 62,378.10 : x
  2. Step 2: Convert to fraction form
    121,427.10/182,140.65 = 62,378.10/x
  3. Step 3: Cross multiply
    121,427.10x = 182,140.65 × 62,378.10
  4. Step 4: Simplify right side
    121,427.10x = 11,361,587,679.77
  5. Step 5: Solve for x
    x = 11,361,587,679.77/121,427.10
  6. Step 6: Final answer
    x = 93,567.15

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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.