Home / 142,342.90-213,590.48-92,411.26

Finding the Fourth Proportional to 142,342.90, 213,590.48 and 92,411.26

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Solution

The fourth proportional to 142,342.90, 213,590.48 and 92,411.26 is: 138,666.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,342.90 : 213,590.48 = 92,411.26 : x
  2. Step 2: Convert to fraction form
    142,342.90/213,590.48 = 92,411.26/x
  3. Step 3: Cross multiply
    142,342.90x = 213,590.48 × 92,411.26
  4. Step 4: Simplify right side
    142,342.90x = 19,738,165,380.80
  5. Step 5: Solve for x
    x = 19,738,165,380.80/142,342.90
  6. Step 6: Final answer
    x = 138,666.31

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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.