Home / 102,031.71-152,276.00-99,374.51

Finding the Fourth Proportional to 102,031.71, 152,276.00 and 99,374.51

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Solution

The fourth proportional to 102,031.71, 152,276.00 and 99,374.51 is: 148,310.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,031.71 : 152,276.00 = 99,374.51 : x
  2. Step 2: Convert to fraction form
    102,031.71/152,276.00 = 99,374.51/x
  3. Step 3: Cross multiply
    102,031.71x = 152,276.00 × 99,374.51
  4. Step 4: Simplify right side
    102,031.71x = 15,132,352,371.82
  5. Step 5: Solve for x
    x = 15,132,352,371.82/102,031.71
  6. Step 6: Final answer
    x = 148,310.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.