Home / 90,173.63-135,365.27-52,760.55

Finding the Fourth Proportional to 90,173.63, 135,365.27 and 52,760.55

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Solution

The fourth proportional to 90,173.63, 135,365.27 and 52,760.55 is: 79,202.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,173.63 : 135,365.27 = 52,760.55 : x
  2. Step 2: Convert to fraction form
    90,173.63/135,365.27 = 52,760.55/x
  3. Step 3: Cross multiply
    90,173.63x = 135,365.27 × 52,760.55
  4. Step 4: Simplify right side
    90,173.63x = 7,141,946,096.10
  5. Step 5: Solve for x
    x = 7,141,946,096.10/90,173.63
  6. Step 6: Final answer
    x = 79,202.16

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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.