Home / 187,292.28-280,930.93-103,219.14

Finding the Fourth Proportional to 187,292.28, 280,930.93 and 103,219.14

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Solution

The fourth proportional to 187,292.28, 280,930.93 and 103,219.14 is: 154,824.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,292.28 : 280,930.93 = 103,219.14 : x
  2. Step 2: Convert to fraction form
    187,292.28/280,930.93 = 103,219.14/x
  3. Step 3: Cross multiply
    187,292.28x = 280,930.93 × 103,219.14
  4. Step 4: Simplify right side
    187,292.28x = 28,997,448,994.00
  5. Step 5: Solve for x
    x = 28,997,448,994.00/187,292.28
  6. Step 6: Final answer
    x = 154,824.58

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1.5x scale

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.