Home / 119,729.32-165,224.47-66,019.30

Finding the Fourth Proportional to 119,729.32, 165,224.47 and 66,019.30

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Solution

The fourth proportional to 119,729.32, 165,224.47 and 66,019.30 is: 91,105.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,729.32 : 165,224.47 = 66,019.30 : x
  2. Step 2: Convert to fraction form
    119,729.32/165,224.47 = 66,019.30/x
  3. Step 3: Cross multiply
    119,729.32x = 165,224.47 × 66,019.30
  4. Step 4: Simplify right side
    119,729.32x = 10,908,003,852.27
  5. Step 5: Solve for x
    x = 10,908,003,852.27/119,729.32
  6. Step 6: Final answer
    x = 91,105.54

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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.