Home / 142,116.24-213,124.31-47,320.68

Finding the Fourth Proportional to 142,116.24, 213,124.31 and 47,320.68

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Solution

The fourth proportional to 142,116.24, 213,124.31 and 47,320.68 is: 70,964.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,116.24 : 213,124.31 = 47,320.68 : x
  2. Step 2: Convert to fraction form
    142,116.24/213,124.31 = 47,320.68/x
  3. Step 3: Cross multiply
    142,116.24x = 213,124.31 × 47,320.68
  4. Step 4: Simplify right side
    142,116.24x = 10,085,187,273.73
  5. Step 5: Solve for x
    x = 10,085,187,273.73/142,116.24
  6. Step 6: Final answer
    x = 70,964.35

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1.5x scale

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.