Home / 195,126.64-292,659.30-61,989.40

Finding the Fourth Proportional to 195,126.64, 292,659.30 and 61,989.40

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Solution

The fourth proportional to 195,126.64, 292,659.30 and 61,989.40 is: 92,974.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,126.64 : 292,659.30 = 61,989.40 : x
  2. Step 2: Convert to fraction form
    195,126.64/292,659.30 = 61,989.40/x
  3. Step 3: Cross multiply
    195,126.64x = 292,659.30 × 61,989.40
  4. Step 4: Simplify right side
    195,126.64x = 18,141,774,411.42
  5. Step 5: Solve for x
    x = 18,141,774,411.42/195,126.64
  6. Step 6: Final answer
    x = 92,974.36

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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.