Home / 175,289.95-262,841.38-90,965.21

Finding the Fourth Proportional to 175,289.95, 262,841.38 and 90,965.21

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Solution

The fourth proportional to 175,289.95, 262,841.38 and 90,965.21 is: 136,399.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,289.95 : 262,841.38 = 90,965.21 : x
  2. Step 2: Convert to fraction form
    175,289.95/262,841.38 = 90,965.21/x
  3. Step 3: Cross multiply
    175,289.95x = 262,841.38 × 90,965.21
  4. Step 4: Simplify right side
    175,289.95x = 23,909,421,758.08
  5. Step 5: Solve for x
    x = 23,909,421,758.08/175,289.95
  6. Step 6: Final answer
    x = 136,399.28

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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.