Home / 113,454.48-170,258.28-85,395.27

Finding the Fourth Proportional to 113,454.48, 170,258.28 and 85,395.27

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Solution

The fourth proportional to 113,454.48, 170,258.28 and 85,395.27 is: 128,150.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,454.48 : 170,258.28 = 85,395.27 : x
  2. Step 2: Convert to fraction form
    113,454.48/170,258.28 = 85,395.27/x
  3. Step 3: Cross multiply
    113,454.48x = 170,258.28 × 85,395.27
  4. Step 4: Simplify right side
    113,454.48x = 14,539,251,790.34
  5. Step 5: Solve for x
    x = 14,539,251,790.34/113,454.48
  6. Step 6: Final answer
    x = 128,150.53

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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.