Home / 188,178.18-282,275.81-53,252.36

Finding the Fourth Proportional to 188,178.18, 282,275.81 and 53,252.36

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Solution

The fourth proportional to 188,178.18, 282,275.81 and 53,252.36 is: 79,880.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,178.18 : 282,275.81 = 53,252.36 : x
  2. Step 2: Convert to fraction form
    188,178.18/282,275.81 = 53,252.36/x
  3. Step 3: Cross multiply
    188,178.18x = 282,275.81 × 53,252.36
  4. Step 4: Simplify right side
    188,178.18x = 15,031,853,053.41
  5. Step 5: Solve for x
    x = 15,031,853,053.41/188,178.18
  6. Step 6: Final answer
    x = 79,880.96

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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.