Home / 105,252.54-145,250.60-57,508.85

Finding the Fourth Proportional to 105,252.54, 145,250.60 and 57,508.85

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Solution

The fourth proportional to 105,252.54, 145,250.60 and 57,508.85 is: 79,363.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,252.54 : 145,250.60 = 57,508.85 : x
  2. Step 2: Convert to fraction form
    105,252.54/145,250.60 = 57,508.85/x
  3. Step 3: Cross multiply
    105,252.54x = 145,250.60 × 57,508.85
  4. Step 4: Simplify right side
    105,252.54x = 8,353,193,954.01
  5. Step 5: Solve for x
    x = 8,353,193,954.01/105,252.54
  6. Step 6: Final answer
    x = 79,363.35

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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.