Home / 316,221.06-474,329.07-129,101.34

Finding the Fourth Proportional to 316,221.06, 474,329.07 and 129,101.34

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Solution

The fourth proportional to 316,221.06, 474,329.07 and 129,101.34 is: 193,650.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,221.06 : 474,329.07 = 129,101.34 : x
  2. Step 2: Convert to fraction form
    316,221.06/474,329.07 = 129,101.34/x
  3. Step 3: Cross multiply
    316,221.06x = 474,329.07 × 129,101.34
  4. Step 4: Simplify right side
    316,221.06x = 61,236,518,537.95
  5. Step 5: Solve for x
    x = 61,236,518,537.95/316,221.06
  6. Step 6: Final answer
    x = 193,650.98

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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.