Home / 205,273.10-307,909.65-134,414.30

Finding the Fourth Proportional to 205,273.10, 307,909.65 and 134,414.30

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Solution

The fourth proportional to 205,273.10, 307,909.65 and 134,414.30 is: 201,621.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,273.10 : 307,909.65 = 134,414.30 : x
  2. Step 2: Convert to fraction form
    205,273.10/307,909.65 = 134,414.30/x
  3. Step 3: Cross multiply
    205,273.10x = 307,909.65 × 134,414.30
  4. Step 4: Simplify right side
    205,273.10x = 41,387,460,068.00
  5. Step 5: Solve for x
    x = 41,387,460,068.00/205,273.10
  6. Step 6: Final answer
    x = 201,621.45

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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.