Home / 213,341.31-294,432.98-122,700.69

Finding the Fourth Proportional to 213,341.31, 294,432.98 and 122,700.69

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Solution

The fourth proportional to 213,341.31, 294,432.98 and 122,700.69 is: 169,339.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,341.31 : 294,432.98 = 122,700.69 : x
  2. Step 2: Convert to fraction form
    213,341.31/294,432.98 = 122,700.69/x
  3. Step 3: Cross multiply
    213,341.31x = 294,432.98 × 122,700.69
  4. Step 4: Simplify right side
    213,341.31x = 36,127,129,191.25
  5. Step 5: Solve for x
    x = 36,127,129,191.25/213,341.31
  6. Step 6: Final answer
    x = 169,339.59

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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.