Home / 142,284.87-213,722.15-112,909.41

Finding the Fourth Proportional to 142,284.87, 213,722.15 and 112,909.41

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Solution

The fourth proportional to 142,284.87, 213,722.15 and 112,909.41 is: 169,598.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,284.87 : 213,722.15 = 112,909.41 : x
  2. Step 2: Convert to fraction form
    142,284.87/213,722.15 = 112,909.41/x
  3. Step 3: Cross multiply
    142,284.87x = 213,722.15 × 112,909.41
  4. Step 4: Simplify right side
    142,284.87x = 24,131,241,295.88
  5. Step 5: Solve for x
    x = 24,131,241,295.88/142,284.87
  6. Step 6: Final answer
    x = 169,598.08

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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.