Home / 123,444.20-185,166.30-113,821.40

Finding the Fourth Proportional to 123,444.20, 185,166.30 and 113,821.40

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Solution

The fourth proportional to 123,444.20, 185,166.30 and 113,821.40 is: 170,732.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,444.20 : 185,166.30 = 113,821.40 : x
  2. Step 2: Convert to fraction form
    123,444.20/185,166.30 = 113,821.40/x
  3. Step 3: Cross multiply
    123,444.20x = 185,166.30 × 113,821.40
  4. Step 4: Simplify right side
    123,444.20x = 21,075,887,498.82
  5. Step 5: Solve for x
    x = 21,075,887,498.82/123,444.20
  6. Step 6: Final answer
    x = 170,732.10

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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.