Home / 103,607.28-142,964.60-58,283.73

Finding the Fourth Proportional to 103,607.28, 142,964.60 and 58,283.73

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Solution

The fourth proportional to 103,607.28, 142,964.60 and 58,283.73 is: 80,423.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,607.28 : 142,964.60 = 58,283.73 : x
  2. Step 2: Convert to fraction form
    103,607.28/142,964.60 = 58,283.73/x
  3. Step 3: Cross multiply
    103,607.28x = 142,964.60 × 58,283.73
  4. Step 4: Simplify right side
    103,607.28x = 8,332,509,854.54
  5. Step 5: Solve for x
    x = 8,332,509,854.54/103,607.28
  6. Step 6: Final answer
    x = 80,423.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.