Home / 113,110.80-169,666.20-103,261.20

Finding the Fourth Proportional to 113,110.80, 169,666.20 and 103,261.20

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Solution

The fourth proportional to 113,110.80, 169,666.20 and 103,261.20 is: 154,891.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,110.80 : 169,666.20 = 103,261.20 : x
  2. Step 2: Convert to fraction form
    113,110.80/169,666.20 = 103,261.20/x
  3. Step 3: Cross multiply
    113,110.80x = 169,666.20 × 103,261.20
  4. Step 4: Simplify right side
    113,110.80x = 17,519,935,411.44
  5. Step 5: Solve for x
    x = 17,519,935,411.44/113,110.80
  6. Step 6: Final answer
    x = 154,891.80

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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.