Home / 117,837.95-162,616.86-64,122.89

Finding the Fourth Proportional to 117,837.95, 162,616.86 and 64,122.89

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Solution

The fourth proportional to 117,837.95, 162,616.86 and 64,122.89 is: 88,489.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,837.95 : 162,616.86 = 64,122.89 : x
  2. Step 2: Convert to fraction form
    117,837.95/162,616.86 = 64,122.89/x
  3. Step 3: Cross multiply
    117,837.95x = 162,616.86 × 64,122.89
  4. Step 4: Simplify right side
    117,837.95x = 10,427,462,212.84
  5. Step 5: Solve for x
    x = 10,427,462,212.84/117,837.95
  6. Step 6: Final answer
    x = 88,489.85

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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.