Home / 124,014.78-170,836.68-89,923.08

Finding the Fourth Proportional to 124,014.78, 170,836.68 and 89,923.08

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Solution

The fourth proportional to 124,014.78, 170,836.68 and 89,923.08 is: 123,873.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,014.78 : 170,836.68 = 89,923.08 : x
  2. Step 2: Convert to fraction form
    124,014.78/170,836.68 = 89,923.08/x
  3. Step 3: Cross multiply
    124,014.78x = 170,836.68 × 89,923.08
  4. Step 4: Simplify right side
    124,014.78x = 15,362,160,442.57
  5. Step 5: Solve for x
    x = 15,362,160,442.57/124,014.78
  6. Step 6: Final answer
    x = 123,873.63

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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.