Home / 150,450.36-207,477.77-90,011.40

Finding the Fourth Proportional to 150,450.36, 207,477.77 and 90,011.40

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Solution

The fourth proportional to 150,450.36, 207,477.77 and 90,011.40 is: 124,129.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,450.36 : 207,477.77 = 90,011.40 : x
  2. Step 2: Convert to fraction form
    150,450.36/207,477.77 = 90,011.40/x
  3. Step 3: Cross multiply
    150,450.36x = 207,477.77 × 90,011.40
  4. Step 4: Simplify right side
    150,450.36x = 18,675,364,096.52
  5. Step 5: Solve for x
    x = 18,675,364,096.52/150,450.36
  6. Step 6: Final answer
    x = 124,129.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.