Home / 140,139.45-210,177.65-40,277.39

Finding the Fourth Proportional to 140,139.45, 210,177.65 and 40,277.39

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Solution

The fourth proportional to 140,139.45, 210,177.65 and 40,277.39 is: 60,407.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,139.45 : 210,177.65 = 40,277.39 : x
  2. Step 2: Convert to fraction form
    140,139.45/210,177.65 = 40,277.39/x
  3. Step 3: Cross multiply
    140,139.45x = 210,177.65 × 40,277.39
  4. Step 4: Simplify right side
    140,139.45x = 8,465,406,228.14
  5. Step 5: Solve for x
    x = 8,465,406,228.14/140,139.45
  6. Step 6: Final answer
    x = 60,407.02

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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.