Home / 142,518.66-213,872.36-76,006.74

Finding the Fourth Proportional to 142,518.66, 213,872.36 and 76,006.74

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Solution

The fourth proportional to 142,518.66, 213,872.36 and 76,006.74 is: 114,060.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,518.66 : 213,872.36 = 76,006.74 : x
  2. Step 2: Convert to fraction form
    142,518.66/213,872.36 = 76,006.74/x
  3. Step 3: Cross multiply
    142,518.66x = 213,872.36 × 76,006.74
  4. Step 4: Simplify right side
    142,518.66x = 16,255,740,859.71
  5. Step 5: Solve for x
    x = 16,255,740,859.71/142,518.66
  6. Step 6: Final answer
    x = 114,060.44

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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.