Home / 201,621.40-302,432.10-83,377.60

Finding the Fourth Proportional to 201,621.40, 302,432.10 and 83,377.60

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Solution

The fourth proportional to 201,621.40, 302,432.10 and 83,377.60 is: 125,066.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,621.40 : 302,432.10 = 83,377.60 : x
  2. Step 2: Convert to fraction form
    201,621.40/302,432.10 = 83,377.60/x
  3. Step 3: Cross multiply
    201,621.40x = 302,432.10 × 83,377.60
  4. Step 4: Simplify right side
    201,621.40x = 25,216,062,660.96
  5. Step 5: Solve for x
    x = 25,216,062,660.96/201,621.40
  6. Step 6: Final answer
    x = 125,066.40

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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.