Home / 91,177.32-136,501.16-53,110.52

Finding the Fourth Proportional to 91,177.32, 136,501.16 and 53,110.52

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Solution

The fourth proportional to 91,177.32, 136,501.16 and 53,110.52 is: 79,511.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,177.32 : 136,501.16 = 53,110.52 : x
  2. Step 2: Convert to fraction form
    91,177.32/136,501.16 = 53,110.52/x
  3. Step 3: Cross multiply
    91,177.32x = 136,501.16 × 53,110.52
  4. Step 4: Simplify right side
    91,177.32x = 7,249,647,588.20
  5. Step 5: Solve for x
    x = 7,249,647,588.20/91,177.32
  6. Step 6: Final answer
    x = 79,511.52

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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.