Home / 119,221.95-164,540.60-71,501.55

Finding the Fourth Proportional to 119,221.95, 164,540.60 and 71,501.55

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Solution

The fourth proportional to 119,221.95, 164,540.60 and 71,501.55 is: 98,680.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,221.95 : 164,540.60 = 71,501.55 : x
  2. Step 2: Convert to fraction form
    119,221.95/164,540.60 = 71,501.55/x
  3. Step 3: Cross multiply
    119,221.95x = 164,540.60 × 71,501.55
  4. Step 4: Simplify right side
    119,221.95x = 11,764,907,580.42
  5. Step 5: Solve for x
    x = 11,764,907,580.42/119,221.95
  6. Step 6: Final answer
    x = 98,680.72

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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.