Home / 113,138.40-169,697.23-38,259.20

Finding the Fourth Proportional to 113,138.40, 169,697.23 and 38,259.20

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Solution

The fourth proportional to 113,138.40, 169,697.23 and 38,259.20 is: 57,385.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,138.40 : 169,697.23 = 38,259.20 : x
  2. Step 2: Convert to fraction form
    113,138.40/169,697.23 = 38,259.20/x
  3. Step 3: Cross multiply
    113,138.40x = 169,697.23 × 38,259.20
  4. Step 4: Simplify right side
    113,138.40x = 6,492,479,317.88
  5. Step 5: Solve for x
    x = 6,492,479,317.88/113,138.40
  6. Step 6: Final answer
    x = 57,385.28

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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.