Home / 117,479.02-162,119.29-66,501.42

Finding the Fourth Proportional to 117,479.02, 162,119.29 and 66,501.42

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Solution

The fourth proportional to 117,479.02, 162,119.29 and 66,501.42 is: 91,770.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,479.02 : 162,119.29 = 66,501.42 : x
  2. Step 2: Convert to fraction form
    117,479.02/162,119.29 = 66,501.42/x
  3. Step 3: Cross multiply
    117,479.02x = 162,119.29 × 66,501.42
  4. Step 4: Simplify right side
    117,479.02x = 10,781,162,661.88
  5. Step 5: Solve for x
    x = 10,781,162,661.88/117,479.02
  6. Step 6: Final answer
    x = 91,770.97

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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.