Home / 127,964.60-176,594.96-71,374.76

Finding the Fourth Proportional to 127,964.60, 176,594.96 and 71,374.76

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Solution

The fourth proportional to 127,964.60, 176,594.96 and 71,374.76 is: 98,499.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,964.60 : 176,594.96 = 71,374.76 : x
  2. Step 2: Convert to fraction form
    127,964.60/176,594.96 = 71,374.76/x
  3. Step 3: Cross multiply
    127,964.60x = 176,594.96 × 71,374.76
  4. Step 4: Simplify right side
    127,964.60x = 12,604,422,887.21
  5. Step 5: Solve for x
    x = 12,604,422,887.21/127,964.60
  6. Step 6: Final answer
    x = 98,499.30

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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.