Home / 90,188.48-135,314.92-40,264.13

Finding the Fourth Proportional to 90,188.48, 135,314.92 and 40,264.13

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Solution

The fourth proportional to 90,188.48, 135,314.92 and 40,264.13 is: 60,410.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,188.48 : 135,314.92 = 40,264.13 : x
  2. Step 2: Convert to fraction form
    90,188.48/135,314.92 = 40,264.13/x
  3. Step 3: Cross multiply
    90,188.48x = 135,314.92 × 40,264.13
  4. Step 4: Simplify right side
    90,188.48x = 5,448,337,529.82
  5. Step 5: Solve for x
    x = 5,448,337,529.82/90,188.48
  6. Step 6: Final answer
    x = 60,410.57

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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.