Home / 201,612.10-302,126.55-89,200.30

Finding the Fourth Proportional to 201,612.10, 302,126.55 and 89,200.30

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Solution

The fourth proportional to 201,612.10, 302,126.55 and 89,200.30 is: 133,671.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,612.10 : 302,126.55 = 89,200.30 : x
  2. Step 2: Convert to fraction form
    201,612.10/302,126.55 = 89,200.30/x
  3. Step 3: Cross multiply
    201,612.10x = 302,126.55 × 89,200.30
  4. Step 4: Simplify right side
    201,612.10x = 26,949,778,897.97
  5. Step 5: Solve for x
    x = 26,949,778,897.97/201,612.10
  6. Step 6: Final answer
    x = 133,671.44

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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.