Home / 90,370.48-135,556.64-23,820.16

Finding the Fourth Proportional to 90,370.48, 135,556.64 and 23,820.16

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Solution

The fourth proportional to 90,370.48, 135,556.64 and 23,820.16 is: 35,730.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,370.48 : 135,556.64 = 23,820.16 : x
  2. Step 2: Convert to fraction form
    90,370.48/135,556.64 = 23,820.16/x
  3. Step 3: Cross multiply
    90,370.48x = 135,556.64 × 23,820.16
  4. Step 4: Simplify right side
    90,370.48x = 3,228,980,853.86
  5. Step 5: Solve for x
    x = 3,228,980,853.86/90,370.48
  6. Step 6: Final answer
    x = 35,730.48

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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.