Home / 45,437.12-68,150.26-12,159.75

Finding the Fourth Proportional to 45,437.12, 68,150.26 and 12,159.75

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Solution

The fourth proportional to 45,437.12, 68,150.26 and 12,159.75 is: 18,238.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,437.12 : 68,150.26 = 12,159.75 : x
  2. Step 2: Convert to fraction form
    45,437.12/68,150.26 = 12,159.75/x
  3. Step 3: Cross multiply
    45,437.12x = 68,150.26 × 12,159.75
  4. Step 4: Simplify right side
    45,437.12x = 828,690,124.04
  5. Step 5: Solve for x
    x = 828,690,124.04/45,437.12
  6. Step 6: Final answer
    x = 18,238.17

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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.