Home / 124,621.26-186,921.36-40,379.64

Finding the Fourth Proportional to 124,621.26, 186,921.36 and 40,379.64

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Solution

The fourth proportional to 124,621.26, 186,921.36 and 40,379.64 is: 60,566.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,621.26 : 186,921.36 = 40,379.64 : x
  2. Step 2: Convert to fraction form
    124,621.26/186,921.36 = 40,379.64/x
  3. Step 3: Cross multiply
    124,621.26x = 186,921.36 × 40,379.64
  4. Step 4: Simplify right side
    124,621.26x = 7,547,817,225.11
  5. Step 5: Solve for x
    x = 7,547,817,225.11/124,621.26
  6. Step 6: Final answer
    x = 60,566.05

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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.