Home / 140,030.40-210,058.68-55,770.24

Finding the Fourth Proportional to 140,030.40, 210,058.68 and 55,770.24

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Solution

The fourth proportional to 140,030.40, 210,058.68 and 55,770.24 is: 83,660.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,030.40 : 210,058.68 = 55,770.24 : x
  2. Step 2: Convert to fraction form
    140,030.40/210,058.68 = 55,770.24/x
  3. Step 3: Cross multiply
    140,030.40x = 210,058.68 × 55,770.24
  4. Step 4: Simplify right side
    140,030.40x = 11,715,022,997.68
  5. Step 5: Solve for x
    x = 11,715,022,997.68/140,030.40
  6. Step 6: Final answer
    x = 83,660.57

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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.