Home / 113,128.32-169,692.88-38,249.08

Finding the Fourth Proportional to 113,128.32, 169,692.88 and 38,249.08

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Solution

The fourth proportional to 113,128.32, 169,692.88 and 38,249.08 is: 57,373.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,128.32 : 169,692.88 = 38,249.08 : x
  2. Step 2: Convert to fraction form
    113,128.32/169,692.88 = 38,249.08/x
  3. Step 3: Cross multiply
    113,128.32x = 169,692.88 × 38,249.08
  4. Step 4: Simplify right side
    113,128.32x = 6,490,596,542.55
  5. Step 5: Solve for x
    x = 6,490,596,542.55/113,128.32
  6. Step 6: Final answer
    x = 57,373.76

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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.