Home / 117,974.75-162,807.64-64,259.63

Finding the Fourth Proportional to 117,974.75, 162,807.64 and 64,259.63

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Solution

The fourth proportional to 117,974.75, 162,807.64 and 64,259.63 is: 88,679.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,974.75 : 162,807.64 = 64,259.63 : x
  2. Step 2: Convert to fraction form
    117,974.75/162,807.64 = 64,259.63/x
  3. Step 3: Cross multiply
    117,974.75x = 162,807.64 × 64,259.63
  4. Step 4: Simplify right side
    117,974.75x = 10,461,958,343.41
  5. Step 5: Solve for x
    x = 10,461,958,343.41/117,974.75
  6. Step 6: Final answer
    x = 88,679.64

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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.