Home / 103,626.92-143,013.48-58,302.20

Finding the Fourth Proportional to 103,626.92, 143,013.48 and 58,302.20

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Solution

The fourth proportional to 103,626.92, 143,013.48 and 58,302.20 is: 80,461.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,626.92 : 143,013.48 = 58,302.20 : x
  2. Step 2: Convert to fraction form
    103,626.92/143,013.48 = 58,302.20/x
  3. Step 3: Cross multiply
    103,626.92x = 143,013.48 × 58,302.20
  4. Step 4: Simplify right side
    103,626.92x = 8,338,000,513.66
  5. Step 5: Solve for x
    x = 8,338,000,513.66/103,626.92
  6. Step 6: Final answer
    x = 80,461.72

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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.