Home / 113,728.14-170,242.29-74,200.14

Finding the Fourth Proportional to 113,728.14, 170,242.29 and 74,200.14

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Solution

The fourth proportional to 113,728.14, 170,242.29 and 74,200.14 is: 111,071.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,728.14 : 170,242.29 = 74,200.14 : x
  2. Step 2: Convert to fraction form
    113,728.14/170,242.29 = 74,200.14/x
  3. Step 3: Cross multiply
    113,728.14x = 170,242.29 × 74,200.14
  4. Step 4: Simplify right side
    113,728.14x = 12,632,001,751.92
  5. Step 5: Solve for x
    x = 12,632,001,751.92/113,728.14
  6. Step 6: Final answer
    x = 111,071.91

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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.