Home / 140,954.09-211,427.04-52,205.63

Finding the Fourth Proportional to 140,954.09, 211,427.04 and 52,205.63

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Solution

The fourth proportional to 140,954.09, 211,427.04 and 52,205.63 is: 78,306.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,954.09 : 211,427.04 = 52,205.63 : x
  2. Step 2: Convert to fraction form
    140,954.09/211,427.04 = 52,205.63/x
  3. Step 3: Cross multiply
    140,954.09x = 211,427.04 × 52,205.63
  4. Step 4: Simplify right side
    140,954.09x = 11,037,681,822.24
  5. Step 5: Solve for x
    x = 11,037,681,822.24/140,954.09
  6. Step 6: Final answer
    x = 78,306.93

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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.