Home / 163,979.40-245,969.10-93,865.80

Finding the Fourth Proportional to 163,979.40, 245,969.10 and 93,865.80

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Solution

The fourth proportional to 163,979.40, 245,969.10 and 93,865.80 is: 140,798.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,979.40 : 245,969.10 = 93,865.80 : x
  2. Step 2: Convert to fraction form
    163,979.40/245,969.10 = 93,865.80/x
  3. Step 3: Cross multiply
    163,979.40x = 245,969.10 × 93,865.80
  4. Step 4: Simplify right side
    163,979.40x = 23,088,086,346.78
  5. Step 5: Solve for x
    x = 23,088,086,346.78/163,979.40
  6. Step 6: Final answer
    x = 140,798.70

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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.