Home / 131,952.12-182,113.74-103,869.24

Finding the Fourth Proportional to 131,952.12, 182,113.74 and 103,869.24

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Solution

The fourth proportional to 131,952.12, 182,113.74 and 103,869.24 is: 143,355.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,952.12 : 182,113.74 = 103,869.24 : x
  2. Step 2: Convert to fraction form
    131,952.12/182,113.74 = 103,869.24/x
  3. Step 3: Cross multiply
    131,952.12x = 182,113.74 × 103,869.24
  4. Step 4: Simplify right side
    131,952.12x = 18,916,015,767.36
  5. Step 5: Solve for x
    x = 18,916,015,767.36/131,952.12
  6. Step 6: Final answer
    x = 143,355.15

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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.