Home / 90,440.01-124,806.60-50,153.81

Finding the Fourth Proportional to 90,440.01, 124,806.60 and 50,153.81

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Solution

The fourth proportional to 90,440.01, 124,806.60 and 50,153.81 is: 69,211.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,440.01 : 124,806.60 = 50,153.81 : x
  2. Step 2: Convert to fraction form
    90,440.01/124,806.60 = 50,153.81/x
  3. Step 3: Cross multiply
    90,440.01x = 124,806.60 × 50,153.81
  4. Step 4: Simplify right side
    90,440.01x = 6,259,525,879.11
  5. Step 5: Solve for x
    x = 6,259,525,879.11/90,440.01
  6. Step 6: Final answer
    x = 69,211.91

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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.