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Finding the Fourth Proportional to 134,438.40, 201,657.60 and 40,944.15

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Solution

The fourth proportional to 134,438.40, 201,657.60 and 40,944.15 is: 61,416.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,438.40 : 201,657.60 = 40,944.15 : x
  2. Step 2: Convert to fraction form
    134,438.40/201,657.60 = 40,944.15/x
  3. Step 3: Cross multiply
    134,438.40x = 201,657.60 × 40,944.15
  4. Step 4: Simplify right side
    134,438.40x = 8,256,699,023.04
  5. Step 5: Solve for x
    x = 8,256,699,023.04/134,438.40
  6. Step 6: Final answer
    x = 61,416.23

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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.