Home / 117,419.89-162,040.36-69,008.82

Finding the Fourth Proportional to 117,419.89, 162,040.36 and 69,008.82

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Solution

The fourth proportional to 117,419.89, 162,040.36 and 69,008.82 is: 95,232.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,419.89 : 162,040.36 = 69,008.82 : x
  2. Step 2: Convert to fraction form
    117,419.89/162,040.36 = 69,008.82/x
  3. Step 3: Cross multiply
    117,419.89x = 162,040.36 × 69,008.82
  4. Step 4: Simplify right side
    117,419.89x = 11,182,213,225.77
  5. Step 5: Solve for x
    x = 11,182,213,225.77/117,419.89
  6. Step 6: Final answer
    x = 95,232.70

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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.