Home / 237,855.20-328,243.32-130,424.96

Finding the Fourth Proportional to 237,855.20, 328,243.32 and 130,424.96

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Solution

The fourth proportional to 237,855.20, 328,243.32 and 130,424.96 is: 179,988.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,855.20 : 328,243.32 = 130,424.96 : x
  2. Step 2: Convert to fraction form
    237,855.20/328,243.32 = 130,424.96/x
  3. Step 3: Cross multiply
    237,855.20x = 328,243.32 × 130,424.96
  4. Step 4: Simplify right side
    237,855.20x = 42,811,121,881.27
  5. Step 5: Solve for x
    x = 42,811,121,881.27/237,855.20
  6. Step 6: Final answer
    x = 179,988.17

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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.