Home / 186,988.46-280,274.93-142,468.43

Finding the Fourth Proportional to 186,988.46, 280,274.93 and 142,468.43

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Solution

The fourth proportional to 186,988.46, 280,274.93 and 142,468.43 is: 213,544.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,988.46 : 280,274.93 = 142,468.43 : x
  2. Step 2: Convert to fraction form
    186,988.46/280,274.93 = 142,468.43/x
  3. Step 3: Cross multiply
    186,988.46x = 280,274.93 × 142,468.43
  4. Step 4: Simplify right side
    186,988.46x = 39,930,328,533.12
  5. Step 5: Solve for x
    x = 39,930,328,533.12/186,988.46
  6. Step 6: Final answer
    x = 213,544.35

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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.