Home / 119,709.48-165,200.18-65,996.40

Finding the Fourth Proportional to 119,709.48, 165,200.18 and 65,996.40

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Solution

The fourth proportional to 119,709.48, 165,200.18 and 65,996.40 is: 91,075.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,709.48 : 165,200.18 = 65,996.40 : x
  2. Step 2: Convert to fraction form
    119,709.48/165,200.18 = 65,996.40/x
  3. Step 3: Cross multiply
    119,709.48x = 165,200.18 × 65,996.40
  4. Step 4: Simplify right side
    119,709.48x = 10,902,617,159.35
  5. Step 5: Solve for x
    x = 10,902,617,159.35/119,709.48
  6. Step 6: Final answer
    x = 91,075.64

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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.