Home / 91,856.31-137,815.13-35,698.20

Finding the Fourth Proportional to 91,856.31, 137,815.13 and 35,698.20

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Solution

The fourth proportional to 91,856.31, 137,815.13 and 35,698.20 is: 53,559.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,856.31 : 137,815.13 = 35,698.20 : x
  2. Step 2: Convert to fraction form
    91,856.31/137,815.13 = 35,698.20/x
  3. Step 3: Cross multiply
    91,856.31x = 137,815.13 × 35,698.20
  4. Step 4: Simplify right side
    91,856.31x = 4,919,751,895.28
  5. Step 5: Solve for x
    x = 4,919,751,895.28/91,856.31
  6. Step 6: Final answer
    x = 53,559.22

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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.