Home / 124,621.56-186,913.89-40,389.08

Finding the Fourth Proportional to 124,621.56, 186,913.89 and 40,389.08

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Solution

The fourth proportional to 124,621.56, 186,913.89 and 40,389.08 is: 60,577.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,621.56 : 186,913.89 = 40,389.08 : x
  2. Step 2: Convert to fraction form
    124,621.56/186,913.89 = 40,389.08/x
  3. Step 3: Cross multiply
    124,621.56x = 186,913.89 × 40,389.08
  4. Step 4: Simplify right side
    124,621.56x = 7,549,279,121.75
  5. Step 5: Solve for x
    x = 7,549,279,121.75/124,621.56
  6. Step 6: Final answer
    x = 60,577.63

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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.