Home / 105,013.16-144,921.66-57,269.12

Finding the Fourth Proportional to 105,013.16, 144,921.66 and 57,269.12

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Solution

The fourth proportional to 105,013.16, 144,921.66 and 57,269.12 is: 79,033.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,013.16 : 144,921.66 = 57,269.12 : x
  2. Step 2: Convert to fraction form
    105,013.16/144,921.66 = 57,269.12/x
  3. Step 3: Cross multiply
    105,013.16x = 144,921.66 × 57,269.12
  4. Step 4: Simplify right side
    105,013.16x = 8,299,535,937.14
  5. Step 5: Solve for x
    x = 8,299,535,937.14/105,013.16
  6. Step 6: Final answer
    x = 79,033.29

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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.