Home / 163,839.80-245,630.10-89,967.80

Finding the Fourth Proportional to 163,839.80, 245,630.10 and 89,967.80

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Solution

The fourth proportional to 163,839.80, 245,630.10 and 89,967.80 is: 134,880.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,839.80 : 245,630.10 = 89,967.80 : x
  2. Step 2: Convert to fraction form
    163,839.80/245,630.10 = 89,967.80/x
  3. Step 3: Cross multiply
    163,839.80x = 245,630.10 × 89,967.80
  4. Step 4: Simplify right side
    163,839.80x = 22,098,799,710.78
  5. Step 5: Solve for x
    x = 22,098,799,710.78/163,839.80
  6. Step 6: Final answer
    x = 134,880.53

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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.