Home / 124,185.36-186,165.72-45,281.13

Finding the Fourth Proportional to 124,185.36, 186,165.72 and 45,281.13

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Solution

The fourth proportional to 124,185.36, 186,165.72 and 45,281.13 is: 67,880.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,185.36 : 186,165.72 = 45,281.13 : x
  2. Step 2: Convert to fraction form
    124,185.36/186,165.72 = 45,281.13/x
  3. Step 3: Cross multiply
    124,185.36x = 186,165.72 × 45,281.13
  4. Step 4: Simplify right side
    124,185.36x = 8,429,794,168.86
  5. Step 5: Solve for x
    x = 8,429,794,168.86/124,185.36
  6. Step 6: Final answer
    x = 67,880.74

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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.