Home / 149,325.55-223,875.70-90,147.15

Finding the Fourth Proportional to 149,325.55, 223,875.70 and 90,147.15

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Solution

The fourth proportional to 149,325.55, 223,875.70 and 90,147.15 is: 135,152.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,325.55 : 223,875.70 = 90,147.15 : x
  2. Step 2: Convert to fraction form
    149,325.55/223,875.70 = 90,147.15/x
  3. Step 3: Cross multiply
    149,325.55x = 223,875.70 × 90,147.15
  4. Step 4: Simplify right side
    149,325.55x = 20,181,756,083.89
  5. Step 5: Solve for x
    x = 20,181,756,083.89/149,325.55
  6. Step 6: Final answer
    x = 135,152.73

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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.