Home / 189,125.20-260,988.16-104,240.40

Finding the Fourth Proportional to 189,125.20, 260,988.16 and 104,240.40

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Solution

The fourth proportional to 189,125.20, 260,988.16 and 104,240.40 is: 143,849.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,125.20 : 260,988.16 = 104,240.40 : x
  2. Step 2: Convert to fraction form
    189,125.20/260,988.16 = 104,240.40/x
  3. Step 3: Cross multiply
    189,125.20x = 260,988.16 × 104,240.40
  4. Step 4: Simplify right side
    189,125.20x = 27,205,510,193.66
  5. Step 5: Solve for x
    x = 27,205,510,193.66/189,125.20
  6. Step 6: Final answer
    x = 143,849.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.