Home / 142,927.83-197,233.65-79,264.26

Finding the Fourth Proportional to 142,927.83, 197,233.65 and 79,264.26

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Solution

The fourth proportional to 142,927.83, 197,233.65 and 79,264.26 is: 109,380.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,927.83 : 197,233.65 = 79,264.26 : x
  2. Step 2: Convert to fraction form
    142,927.83/197,233.65 = 79,264.26/x
  3. Step 3: Cross multiply
    142,927.83x = 197,233.65 × 79,264.26
  4. Step 4: Simplify right side
    142,927.83x = 15,633,579,314.35
  5. Step 5: Solve for x
    x = 15,633,579,314.35/142,927.83
  6. Step 6: Final answer
    x = 109,380.93

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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.