Home / 119,666.08-165,140.94-65,950.39

Finding the Fourth Proportional to 119,666.08, 165,140.94 and 65,950.39

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Solution

The fourth proportional to 119,666.08, 165,140.94 and 65,950.39 is: 91,012.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,666.08 : 165,140.94 = 65,950.39 : x
  2. Step 2: Convert to fraction form
    119,666.08/165,140.94 = 65,950.39/x
  3. Step 3: Cross multiply
    119,666.08x = 165,140.94 × 65,950.39
  4. Step 4: Simplify right side
    119,666.08x = 10,891,109,397.97
  5. Step 5: Solve for x
    x = 10,891,109,397.97/119,666.08
  6. Step 6: Final answer
    x = 91,012.50

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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.