Home / 131,846.53-181,948.25-71,417

Finding the Fourth Proportional to 131,846.53, 181,948.25 and 71,417

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Solution

The fourth proportional to 131,846.53, 181,948.25 and 71,417 is: 98,555.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,846.53 : 181,948.25 = 71,417 : x
  2. Step 2: Convert to fraction form
    131,846.53/181,948.25 = 71,417/x
  3. Step 3: Cross multiply
    131,846.53x = 181,948.25 × 71,417
  4. Step 4: Simplify right side
    131,846.53x = 12,994,198,170.25
  5. Step 5: Solve for x
    x = 12,994,198,170.25/131,846.53
  6. Step 6: Final answer
    x = 98,555.48

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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.