Home / 124,015.56-170,837.70-89,923.86

Finding the Fourth Proportional to 124,015.56, 170,837.70 and 89,923.86

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Solution

The fourth proportional to 124,015.56, 170,837.70 and 89,923.86 is: 123,874.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,015.56 : 170,837.70 = 89,923.86 : x
  2. Step 2: Convert to fraction form
    124,015.56/170,837.70 = 89,923.86/x
  3. Step 3: Cross multiply
    124,015.56x = 170,837.70 × 89,923.86
  4. Step 4: Simplify right side
    124,015.56x = 15,362,385,417.52
  5. Step 5: Solve for x
    x = 15,362,385,417.52/124,015.56
  6. Step 6: Final answer
    x = 123,874.66

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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.