Home / 189,462.30-261,501.84-124,943.15

Finding the Fourth Proportional to 189,462.30, 261,501.84 and 124,943.15

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Solution

The fourth proportional to 189,462.30, 261,501.84 and 124,943.15 is: 172,450.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,462.30 : 261,501.84 = 124,943.15 : x
  2. Step 2: Convert to fraction form
    189,462.30/261,501.84 = 124,943.15/x
  3. Step 3: Cross multiply
    189,462.30x = 261,501.84 × 124,943.15
  4. Step 4: Simplify right side
    189,462.30x = 32,672,862,312.89
  5. Step 5: Solve for x
    x = 32,672,862,312.89/189,462.30
  6. Step 6: Final answer
    x = 172,450.47

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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.