Home / 152,883.35-211,078.95-99,321.02

Finding the Fourth Proportional to 152,883.35, 211,078.95 and 99,321.02

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Solution

The fourth proportional to 152,883.35, 211,078.95 and 99,321.02 is: 137,127.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,883.35 : 211,078.95 = 99,321.02 : x
  2. Step 2: Convert to fraction form
    152,883.35/211,078.95 = 99,321.02/x
  3. Step 3: Cross multiply
    152,883.35x = 211,078.95 × 99,321.02
  4. Step 4: Simplify right side
    152,883.35x = 20,964,576,117.92
  5. Step 5: Solve for x
    x = 20,964,576,117.92/152,883.35
  6. Step 6: Final answer
    x = 137,127.92

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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.