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Finding the Fourth Proportional to 135,146.60, 202,700.70 and 46,404.20

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Solution

The fourth proportional to 135,146.60, 202,700.70 and 46,404.20 is: 69,599.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,146.60 : 202,700.70 = 46,404.20 : x
  2. Step 2: Convert to fraction form
    135,146.60/202,700.70 = 46,404.20/x
  3. Step 3: Cross multiply
    135,146.60x = 202,700.70 × 46,404.20
  4. Step 4: Simplify right side
    135,146.60x = 9,406,163,822.94
  5. Step 5: Solve for x
    x = 9,406,163,822.94/135,146.60
  6. Step 6: Final answer
    x = 69,599.71

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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.