Home / 201,962.10-302,943.15-131,459.70

Finding the Fourth Proportional to 201,962.10, 302,943.15 and 131,459.70

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Solution

The fourth proportional to 201,962.10, 302,943.15 and 131,459.70 is: 197,189.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,962.10 : 302,943.15 = 131,459.70 : x
  2. Step 2: Convert to fraction form
    201,962.10/302,943.15 = 131,459.70/x
  3. Step 3: Cross multiply
    201,962.10x = 302,943.15 × 131,459.70
  4. Step 4: Simplify right side
    201,962.10x = 39,824,815,616.06
  5. Step 5: Solve for x
    x = 39,824,815,616.06/201,962.10
  6. Step 6: Final answer
    x = 197,189.55

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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.