Home / 177,979.16-245,587-106,344.04

Finding the Fourth Proportional to 177,979.16, 245,587 and 106,344.04

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Solution

The fourth proportional to 177,979.16, 245,587 and 106,344.04 is: 146,740.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,979.16 : 245,587 = 106,344.04 : x
  2. Step 2: Convert to fraction form
    177,979.16/245,587 = 106,344.04/x
  3. Step 3: Cross multiply
    177,979.16x = 245,587 × 106,344.04
  4. Step 4: Simplify right side
    177,979.16x = 26,116,713,751.48
  5. Step 5: Solve for x
    x = 26,116,713,751.48/177,979.16
  6. Step 6: Final answer
    x = 146,740.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.