Home / 152,723.88-210,758.90-89,049.38

Finding the Fourth Proportional to 152,723.88, 210,758.90 and 89,049.38

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Solution

The fourth proportional to 152,723.88, 210,758.90 and 89,049.38 is: 122,888.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,723.88 : 210,758.90 = 89,049.38 : x
  2. Step 2: Convert to fraction form
    152,723.88/210,758.90 = 89,049.38/x
  3. Step 3: Cross multiply
    152,723.88x = 210,758.90 × 89,049.38
  4. Step 4: Simplify right side
    152,723.88x = 18,767,947,875.44
  5. Step 5: Solve for x
    x = 18,767,947,875.44/152,723.88
  6. Step 6: Final answer
    x = 122,888.10

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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.