Home / 117,454.59-162,156.97-77,237.72

Finding the Fourth Proportional to 117,454.59, 162,156.97 and 77,237.72

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Solution

The fourth proportional to 117,454.59, 162,156.97 and 77,237.72 is: 106,633.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,454.59 : 162,156.97 = 77,237.72 : x
  2. Step 2: Convert to fraction form
    117,454.59/162,156.97 = 77,237.72/x
  3. Step 3: Cross multiply
    117,454.59x = 162,156.97 × 77,237.72
  4. Step 4: Simplify right side
    117,454.59x = 12,524,634,538.76
  5. Step 5: Solve for x
    x = 12,524,634,538.76/117,454.59
  6. Step 6: Final answer
    x = 106,633.84

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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.