Home / 213,275.42-294,327.35-126,135.22

Finding the Fourth Proportional to 213,275.42, 294,327.35 and 126,135.22

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Solution

The fourth proportional to 213,275.42, 294,327.35 and 126,135.22 is: 174,070.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,275.42 : 294,327.35 = 126,135.22 : x
  2. Step 2: Convert to fraction form
    213,275.42/294,327.35 = 126,135.22/x
  3. Step 3: Cross multiply
    213,275.42x = 294,327.35 × 126,135.22
  4. Step 4: Simplify right side
    213,275.42x = 37,125,045,044.27
  5. Step 5: Solve for x
    x = 37,125,045,044.27/213,275.42
  6. Step 6: Final answer
    x = 174,070.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.