Home / 170,868.60-256,254.48-70,905.15

Finding the Fourth Proportional to 170,868.60, 256,254.48 and 70,905.15

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Solution

The fourth proportional to 170,868.60, 256,254.48 and 70,905.15 is: 106,337.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,868.60 : 256,254.48 = 70,905.15 : x
  2. Step 2: Convert to fraction form
    170,868.60/256,254.48 = 70,905.15/x
  3. Step 3: Cross multiply
    170,868.60x = 256,254.48 × 70,905.15
  4. Step 4: Simplify right side
    170,868.60x = 18,169,762,342.57
  5. Step 5: Solve for x
    x = 18,169,762,342.57/170,868.60
  6. Step 6: Final answer
    x = 106,337.63

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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.