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Finding the Fourth Proportional to 96,822.40, 145,003.20 and 96,822.40

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Solution

The fourth proportional to 96,822.40, 145,003.20 and 96,822.40 is: 145,003.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,822.40 : 145,003.20 = 96,822.40 : x
  2. Step 2: Convert to fraction form
    96,822.40/145,003.20 = 96,822.40/x
  3. Step 3: Cross multiply
    96,822.40x = 145,003.20 × 96,822.40
  4. Step 4: Simplify right side
    96,822.40x = 14,039,557,831.68
  5. Step 5: Solve for x
    x = 14,039,557,831.68/96,822.40
  6. Step 6: Final answer
    x = 145,003.20

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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.