Home / 89,416.64-134,223.36-75,548.16

Finding the Fourth Proportional to 89,416.64, 134,223.36 and 75,548.16

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Solution

The fourth proportional to 89,416.64, 134,223.36 and 75,548.16 is: 113,405.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,416.64 : 134,223.36 = 75,548.16 : x
  2. Step 2: Convert to fraction form
    89,416.64/134,223.36 = 75,548.16/x
  3. Step 3: Cross multiply
    89,416.64x = 134,223.36 × 75,548.16
  4. Step 4: Simplify right side
    89,416.64x = 10,140,327,877.02
  5. Step 5: Solve for x
    x = 10,140,327,877.02/89,416.64
  6. Step 6: Final answer
    x = 113,405.38

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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.