Home / 105,252.29-145,250.25-57,508.60

Finding the Fourth Proportional to 105,252.29, 145,250.25 and 57,508.60

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Solution

The fourth proportional to 105,252.29, 145,250.25 and 57,508.60 is: 79,363.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,252.29 : 145,250.25 = 57,508.60 : x
  2. Step 2: Convert to fraction form
    105,252.29/145,250.25 = 57,508.60/x
  3. Step 3: Cross multiply
    105,252.29x = 145,250.25 × 57,508.60
  4. Step 4: Simplify right side
    105,252.29x = 8,353,138,527.15
  5. Step 5: Solve for x
    x = 8,353,138,527.15/105,252.29
  6. Step 6: Final answer
    x = 79,363.01

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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.