Home / 143,948.32-215,922.49-73,782.88

Finding the Fourth Proportional to 143,948.32, 215,922.49 and 73,782.88

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Solution

The fourth proportional to 143,948.32, 215,922.49 and 73,782.88 is: 110,674.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,948.32 : 215,922.49 = 73,782.88 : x
  2. Step 2: Convert to fraction form
    143,948.32/215,922.49 = 73,782.88/x
  3. Step 3: Cross multiply
    143,948.32x = 215,922.49 × 73,782.88
  4. Step 4: Simplify right side
    143,948.32x = 15,931,382,444.71
  5. Step 5: Solve for x
    x = 15,931,382,444.71/143,948.32
  6. Step 6: Final answer
    x = 110,674.32

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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.