Home / 152,927.91-211,041.90-89,253.36

Finding the Fourth Proportional to 152,927.91, 211,041.90 and 89,253.36

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Solution

The fourth proportional to 152,927.91, 211,041.90 and 89,253.36 is: 123,170.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,927.91 : 211,041.90 = 89,253.36 : x
  2. Step 2: Convert to fraction form
    152,927.91/211,041.90 = 89,253.36/x
  3. Step 3: Cross multiply
    152,927.91x = 211,041.90 × 89,253.36
  4. Step 4: Simplify right side
    152,927.91x = 18,836,198,675.78
  5. Step 5: Solve for x
    x = 18,836,198,675.78/152,927.91
  6. Step 6: Final answer
    x = 123,170.44

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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.