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Finding the Fourth Proportional to 201,549.60, 302,032.80 and 89,137.80

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Solution

The fourth proportional to 201,549.60, 302,032.80 and 89,137.80 is: 133,577.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,549.60 : 302,032.80 = 89,137.80 : x
  2. Step 2: Convert to fraction form
    201,549.60/302,032.80 = 89,137.80/x
  3. Step 3: Cross multiply
    201,549.60x = 302,032.80 × 89,137.80
  4. Step 4: Simplify right side
    201,549.60x = 26,922,539,319.84
  5. Step 5: Solve for x
    x = 26,922,539,319.84/201,549.60
  6. Step 6: Final answer
    x = 133,577.74

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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.