Home / 104,638.64-156,785.43-60,302.66

Finding the Fourth Proportional to 104,638.64, 156,785.43 and 60,302.66

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Solution

The fourth proportional to 104,638.64, 156,785.43 and 60,302.66 is: 90,354.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,638.64 : 156,785.43 = 60,302.66 : x
  2. Step 2: Convert to fraction form
    104,638.64/156,785.43 = 60,302.66/x
  3. Step 3: Cross multiply
    104,638.64x = 156,785.43 × 60,302.66
  4. Step 4: Simplify right side
    104,638.64x = 9,454,578,478.24
  5. Step 5: Solve for x
    x = 9,454,578,478.24/104,638.64
  6. Step 6: Final answer
    x = 90,354.56

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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.