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Finding the Fourth Proportional to 163,275.96, 245,004.66 and 88,395

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Solution

The fourth proportional to 163,275.96, 245,004.66 and 88,395 is: 132,641.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,275.96 : 245,004.66 = 88,395 : x
  2. Step 2: Convert to fraction form
    163,275.96/245,004.66 = 88,395/x
  3. Step 3: Cross multiply
    163,275.96x = 245,004.66 × 88,395
  4. Step 4: Simplify right side
    163,275.96x = 21,657,186,920.70
  5. Step 5: Solve for x
    x = 21,657,186,920.70/163,275.96
  6. Step 6: Final answer
    x = 132,641.61

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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.