Home / 142,824.52-213,793.98-105,427.36

Finding the Fourth Proportional to 142,824.52, 213,793.98 and 105,427.36

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Solution

The fourth proportional to 142,824.52, 213,793.98 and 105,427.36 is: 157,814.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,824.52 : 213,793.98 = 105,427.36 : x
  2. Step 2: Convert to fraction form
    142,824.52/213,793.98 = 105,427.36/x
  3. Step 3: Cross multiply
    142,824.52x = 213,793.98 × 105,427.36
  4. Step 4: Simplify right side
    142,824.52x = 22,539,734,895.29
  5. Step 5: Solve for x
    x = 22,539,734,895.29/142,824.52
  6. Step 6: Final answer
    x = 157,814.18

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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.