Home / 142,675.85-213,949.08-53,866.35

Finding the Fourth Proportional to 142,675.85, 213,949.08 and 53,866.35

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Solution

The fourth proportional to 142,675.85, 213,949.08 and 53,866.35 is: 80,775.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,675.85 : 213,949.08 = 53,866.35 : x
  2. Step 2: Convert to fraction form
    142,675.85/213,949.08 = 53,866.35/x
  3. Step 3: Cross multiply
    142,675.85x = 213,949.08 × 53,866.35
  4. Step 4: Simplify right side
    142,675.85x = 11,524,656,025.46
  5. Step 5: Solve for x
    x = 11,524,656,025.46/142,675.85
  6. Step 6: Final answer
    x = 80,775.10

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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.