Home / 105,676.38-158,535.28-39,117.08

Finding the Fourth Proportional to 105,676.38, 158,535.28 and 39,117.08

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Solution

The fourth proportional to 105,676.38, 158,535.28 and 39,117.08 is: 58,683.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,676.38 : 158,535.28 = 39,117.08 : x
  2. Step 2: Convert to fraction form
    105,676.38/158,535.28 = 39,117.08/x
  3. Step 3: Cross multiply
    105,676.38x = 158,535.28 × 39,117.08
  4. Step 4: Simplify right side
    105,676.38x = 6,201,437,230.58
  5. Step 5: Solve for x
    x = 6,201,437,230.58/105,676.38
  6. Step 6: Final answer
    x = 58,683.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.