Home / 170,724.40-256,086.60-117,580.30

Finding the Fourth Proportional to 170,724.40, 256,086.60 and 117,580.30

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Solution

The fourth proportional to 170,724.40, 256,086.60 and 117,580.30 is: 176,370.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,724.40 : 256,086.60 = 117,580.30 : x
  2. Step 2: Convert to fraction form
    170,724.40/256,086.60 = 117,580.30/x
  3. Step 3: Cross multiply
    170,724.40x = 256,086.60 × 117,580.30
  4. Step 4: Simplify right side
    170,724.40x = 30,110,739,253.98
  5. Step 5: Solve for x
    x = 30,110,739,253.98/170,724.40
  6. Step 6: Final answer
    x = 176,370.45

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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.