Home / 187,308.20-280,962.30-124,322.60

Finding the Fourth Proportional to 187,308.20, 280,962.30 and 124,322.60

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Solution

The fourth proportional to 187,308.20, 280,962.30 and 124,322.60 is: 186,483.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,308.20 : 280,962.30 = 124,322.60 : x
  2. Step 2: Convert to fraction form
    187,308.20/280,962.30 = 124,322.60/x
  3. Step 3: Cross multiply
    187,308.20x = 280,962.30 × 124,322.60
  4. Step 4: Simplify right side
    187,308.20x = 34,929,963,637.98
  5. Step 5: Solve for x
    x = 34,929,963,637.98/187,308.20
  6. Step 6: Final answer
    x = 186,483.90

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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.