Home / 90,254.36-135,233.58-63,911.80

Finding the Fourth Proportional to 90,254.36, 135,233.58 and 63,911.80

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Solution

The fourth proportional to 90,254.36, 135,233.58 and 63,911.80 is: 95,762.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,254.36 : 135,233.58 = 63,911.80 : x
  2. Step 2: Convert to fraction form
    90,254.36/135,233.58 = 63,911.80/x
  3. Step 3: Cross multiply
    90,254.36x = 135,233.58 × 63,911.80
  4. Step 4: Simplify right side
    90,254.36x = 8,643,021,518.24
  5. Step 5: Solve for x
    x = 8,643,021,518.24/90,254.36
  6. Step 6: Final answer
    x = 95,762.93

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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.