Home / 671,128.85-1,006,695.35-165,689.89

Finding the Fourth Proportional to 671,128.85, 1,006,695.35 and 165,689.89

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Solution

The fourth proportional to 671,128.85, 1,006,695.35 and 165,689.89 is: 248,535.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,128.85 : 1,006,695.35 = 165,689.89 : x
  2. Step 2: Convert to fraction form
    671,128.85/1,006,695.35 = 165,689.89/x
  3. Step 3: Cross multiply
    671,128.85x = 1,006,695.35 × 165,689.89
  4. Step 4: Simplify right side
    671,128.85x = 166,799,239,702.50
  5. Step 5: Solve for x
    x = 166,799,239,702.50/671,128.85
  6. Step 6: Final answer
    x = 248,535.34

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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.