Home / 189,577.31-284,419.10-82,970.55

Finding the Fourth Proportional to 189,577.31, 284,419.10 and 82,970.55

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Solution

The fourth proportional to 189,577.31, 284,419.10 and 82,970.55 is: 124,479.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,577.31 : 284,419.10 = 82,970.55 : x
  2. Step 2: Convert to fraction form
    189,577.31/284,419.10 = 82,970.55/x
  3. Step 3: Cross multiply
    189,577.31x = 284,419.10 × 82,970.55
  4. Step 4: Simplify right side
    189,577.31x = 23,598,409,364.93
  5. Step 5: Solve for x
    x = 23,598,409,364.93/189,577.31
  6. Step 6: Final answer
    x = 124,479.08

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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.