Home / 170,532.16-235,482.96-106,979.20

Finding the Fourth Proportional to 170,532.16, 235,482.96 and 106,979.20

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Solution

The fourth proportional to 170,532.16, 235,482.96 and 106,979.20 is: 147,724.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,532.16 : 235,482.96 = 106,979.20 : x
  2. Step 2: Convert to fraction form
    170,532.16/235,482.96 = 106,979.20/x
  3. Step 3: Cross multiply
    170,532.16x = 235,482.96 × 106,979.20
  4. Step 4: Simplify right side
    170,532.16x = 25,191,778,674.43
  5. Step 5: Solve for x
    x = 25,191,778,674.43/170,532.16
  6. Step 6: Final answer
    x = 147,724.50

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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.