Home / 170,719.60-256,225.20-76,095.40

Finding the Fourth Proportional to 170,719.60, 256,225.20 and 76,095.40

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Solution

The fourth proportional to 170,719.60, 256,225.20 and 76,095.40 is: 114,208.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,719.60 : 256,225.20 = 76,095.40 : x
  2. Step 2: Convert to fraction form
    170,719.60/256,225.20 = 76,095.40/x
  3. Step 3: Cross multiply
    170,719.60x = 256,225.20 × 76,095.40
  4. Step 4: Simplify right side
    170,719.60x = 19,497,559,084.08
  5. Step 5: Solve for x
    x = 19,497,559,084.08/170,719.60
  6. Step 6: Final answer
    x = 114,208.09

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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.