Home / 124,467.15-186,700.76-30,972.90

Finding the Fourth Proportional to 124,467.15, 186,700.76 and 30,972.90

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Solution

The fourth proportional to 124,467.15, 186,700.76 and 30,972.90 is: 46,459.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,467.15 : 186,700.76 = 30,972.90 : x
  2. Step 2: Convert to fraction form
    124,467.15/186,700.76 = 30,972.90/x
  3. Step 3: Cross multiply
    124,467.15x = 186,700.76 × 30,972.90
  4. Step 4: Simplify right side
    124,467.15x = 5,782,663,969.40
  5. Step 5: Solve for x
    x = 5,782,663,969.40/124,467.15
  6. Step 6: Final answer
    x = 46,459.36

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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.