Home / 124,784.30-187,088.78-43,711.49

Finding the Fourth Proportional to 124,784.30, 187,088.78 and 43,711.49

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Solution

The fourth proportional to 124,784.30, 187,088.78 and 43,711.49 is: 65,536.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,784.30 : 187,088.78 = 43,711.49 : x
  2. Step 2: Convert to fraction form
    124,784.30/187,088.78 = 43,711.49/x
  3. Step 3: Cross multiply
    124,784.30x = 187,088.78 × 43,711.49
  4. Step 4: Simplify right side
    124,784.30x = 8,177,928,509.92
  5. Step 5: Solve for x
    x = 8,177,928,509.92/124,784.30
  6. Step 6: Final answer
    x = 65,536.52

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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.