Home / 119,688.03-165,168.66-65,973.09

Finding the Fourth Proportional to 119,688.03, 165,168.66 and 65,973.09

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Solution

The fourth proportional to 119,688.03, 165,168.66 and 65,973.09 is: 91,042.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,688.03 : 165,168.66 = 65,973.09 : x
  2. Step 2: Convert to fraction form
    119,688.03/165,168.66 = 65,973.09/x
  3. Step 3: Cross multiply
    119,688.03x = 165,168.66 × 65,973.09
  4. Step 4: Simplify right side
    119,688.03x = 10,896,686,871.36
  5. Step 5: Solve for x
    x = 10,896,686,871.36/119,688.03
  6. Step 6: Final answer
    x = 91,042.41

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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.