Home / 117,855.58-162,637.57-64,139.44

Finding the Fourth Proportional to 117,855.58, 162,637.57 and 64,139.44

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Solution

The fourth proportional to 117,855.58, 162,637.57 and 64,139.44 is: 88,510.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,855.58 : 162,637.57 = 64,139.44 : x
  2. Step 2: Convert to fraction form
    117,855.58/162,637.57 = 64,139.44/x
  3. Step 3: Cross multiply
    117,855.58x = 162,637.57 × 64,139.44
  4. Step 4: Simplify right side
    117,855.58x = 10,431,482,095.82
  5. Step 5: Solve for x
    x = 10,431,482,095.82/117,855.58
  6. Step 6: Final answer
    x = 88,510.72

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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.