Home / 104,774.90-144,592.62-57,031.46

Finding the Fourth Proportional to 104,774.90, 144,592.62 and 57,031.46

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Solution

The fourth proportional to 104,774.90, 144,592.62 and 57,031.46 is: 78,705.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,774.90 : 144,592.62 = 57,031.46 : x
  2. Step 2: Convert to fraction form
    104,774.90/144,592.62 = 57,031.46/x
  3. Step 3: Cross multiply
    104,774.90x = 144,592.62 × 57,031.46
  4. Step 4: Simplify right side
    104,774.90x = 8,246,328,223.83
  5. Step 5: Solve for x
    x = 8,246,328,223.83/104,774.90
  6. Step 6: Final answer
    x = 78,705.19

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1.5x scale

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.