Home / 187,283.27-280,917.45-103,210.13

Finding the Fourth Proportional to 187,283.27, 280,917.45 and 103,210.13

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Solution

The fourth proportional to 187,283.27, 280,917.45 and 103,210.13 is: 154,811.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,283.27 : 280,917.45 = 103,210.13 : x
  2. Step 2: Convert to fraction form
    187,283.27/280,917.45 = 103,210.13/x
  3. Step 3: Cross multiply
    187,283.27x = 280,917.45 × 103,210.13
  4. Step 4: Simplify right side
    187,283.27x = 28,993,525,129.18
  5. Step 5: Solve for x
    x = 28,993,525,129.18/187,283.27
  6. Step 6: Final answer
    x = 154,811.08

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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.