Home / 99,155.75-136,831.07-53,832.70

Finding the Fourth Proportional to 99,155.75, 136,831.07 and 53,832.70

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Solution

The fourth proportional to 99,155.75, 136,831.07 and 53,832.70 is: 74,287.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,155.75 : 136,831.07 = 53,832.70 : x
  2. Step 2: Convert to fraction form
    99,155.75/136,831.07 = 53,832.70/x
  3. Step 3: Cross multiply
    99,155.75x = 136,831.07 × 53,832.70
  4. Step 4: Simplify right side
    99,155.75x = 7,365,986,247.61
  5. Step 5: Solve for x
    x = 7,365,986,247.61/99,155.75
  6. Step 6: Final answer
    x = 74,287.03

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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.