Home / 90,265.50-135,404.40-23,705.52

Finding the Fourth Proportional to 90,265.50, 135,404.40 and 23,705.52

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Solution

The fourth proportional to 90,265.50, 135,404.40 and 23,705.52 is: 35,559.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,265.50 : 135,404.40 = 23,705.52 : x
  2. Step 2: Convert to fraction form
    90,265.50/135,404.40 = 23,705.52/x
  3. Step 3: Cross multiply
    90,265.50x = 135,404.40 × 23,705.52
  4. Step 4: Simplify right side
    90,265.50x = 3,209,831,712.29
  5. Step 5: Solve for x
    x = 3,209,831,712.29/90,265.50
  6. Step 6: Final answer
    x = 35,559.90

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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.