Home / 105,252.28-145,246.43-57,504.60

Finding the Fourth Proportional to 105,252.28, 145,246.43 and 57,504.60

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Solution

The fourth proportional to 105,252.28, 145,246.43 and 57,504.60 is: 79,355.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,252.28 : 145,246.43 = 57,504.60 : x
  2. Step 2: Convert to fraction form
    105,252.28/145,246.43 = 57,504.60/x
  3. Step 3: Cross multiply
    105,252.28x = 145,246.43 × 57,504.60
  4. Step 4: Simplify right side
    105,252.28x = 8,352,338,002.34
  5. Step 5: Solve for x
    x = 8,352,338,002.34/105,252.28
  6. Step 6: Final answer
    x = 79,355.41

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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.