Home / 113,964.80-157,269.12-69,267.20

Finding the Fourth Proportional to 113,964.80, 157,269.12 and 69,267.20

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Solution

The fourth proportional to 113,964.80, 157,269.12 and 69,267.20 is: 95,587.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,964.80 : 157,269.12 = 69,267.20 : x
  2. Step 2: Convert to fraction form
    113,964.80/157,269.12 = 69,267.20/x
  3. Step 3: Cross multiply
    113,964.80x = 157,269.12 × 69,267.20
  4. Step 4: Simplify right side
    113,964.80x = 10,893,591,588.86
  5. Step 5: Solve for x
    x = 10,893,591,588.86/113,964.80
  6. Step 6: Final answer
    x = 95,587.34

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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.