Home / 105,248.29-145,244.73-57,504.60

Finding the Fourth Proportional to 105,248.29, 145,244.73 and 57,504.60

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Solution

The fourth proportional to 105,248.29, 145,244.73 and 57,504.60 is: 79,357.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,248.29 : 145,244.73 = 57,504.60 : x
  2. Step 2: Convert to fraction form
    105,248.29/145,244.73 = 57,504.60/x
  3. Step 3: Cross multiply
    105,248.29x = 145,244.73 × 57,504.60
  4. Step 4: Simplify right side
    105,248.29x = 8,352,240,100.76
  5. Step 5: Solve for x
    x = 8,352,240,100.76/105,248.29
  6. Step 6: Final answer
    x = 79,357.49

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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.