Home / 163,531.68-245,295.09-45,200.40

Finding the Fourth Proportional to 163,531.68, 245,295.09 and 45,200.40

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Solution

The fourth proportional to 163,531.68, 245,295.09 and 45,200.40 is: 67,799.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,531.68 : 245,295.09 = 45,200.40 : x
  2. Step 2: Convert to fraction form
    163,531.68/245,295.09 = 45,200.40/x
  3. Step 3: Cross multiply
    163,531.68x = 245,295.09 × 45,200.40
  4. Step 4: Simplify right side
    163,531.68x = 11,087,436,186.04
  5. Step 5: Solve for x
    x = 11,087,436,186.04/163,531.68
  6. Step 6: Final answer
    x = 67,799.93

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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.