Home / 113,008.40-169,444.94-38,126.88

Finding the Fourth Proportional to 113,008.40, 169,444.94 and 38,126.88

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Solution

The fourth proportional to 113,008.40, 169,444.94 and 38,126.88 is: 57,167.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,008.40 : 169,444.94 = 38,126.88 : x
  2. Step 2: Convert to fraction form
    113,008.40/169,444.94 = 38,126.88/x
  3. Step 3: Cross multiply
    113,008.40x = 169,444.94 × 38,126.88
  4. Step 4: Simplify right side
    113,008.40x = 6,460,406,703.35
  5. Step 5: Solve for x
    x = 6,460,406,703.35/113,008.40
  6. Step 6: Final answer
    x = 57,167.49

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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.