Home / 124,028.64-186,043.08-45,143.52

Finding the Fourth Proportional to 124,028.64, 186,043.08 and 45,143.52

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Solution

The fourth proportional to 124,028.64, 186,043.08 and 45,143.52 is: 67,715.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,028.64 : 186,043.08 = 45,143.52 : x
  2. Step 2: Convert to fraction form
    124,028.64/186,043.08 = 45,143.52/x
  3. Step 3: Cross multiply
    124,028.64x = 186,043.08 × 45,143.52
  4. Step 4: Simplify right side
    124,028.64x = 8,398,639,502.84
  5. Step 5: Solve for x
    x = 8,398,639,502.84/124,028.64
  6. Step 6: Final answer
    x = 67,715.32

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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.