Home / 170,386.50-255,612.56-76,892.25

Finding the Fourth Proportional to 170,386.50, 255,612.56 and 76,892.25

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Solution

The fourth proportional to 170,386.50, 255,612.56 and 76,892.25 is: 115,353.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,386.50 : 255,612.56 = 76,892.25 : x
  2. Step 2: Convert to fraction form
    170,386.50/255,612.56 = 76,892.25/x
  3. Step 3: Cross multiply
    170,386.50x = 255,612.56 × 76,892.25
  4. Step 4: Simplify right side
    170,386.50x = 19,654,624,482.20
  5. Step 5: Solve for x
    x = 19,654,624,482.20/170,386.50
  6. Step 6: Final answer
    x = 115,353.18

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1.5x scale

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.