Home / 117,756.44-162,503.08-64,041.31

Finding the Fourth Proportional to 117,756.44, 162,503.08 and 64,041.31

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Solution

The fourth proportional to 117,756.44, 162,503.08 and 64,041.31 is: 88,376.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,756.44 : 162,503.08 = 64,041.31 : x
  2. Step 2: Convert to fraction form
    117,756.44/162,503.08 = 64,041.31/x
  3. Step 3: Cross multiply
    117,756.44x = 162,503.08 × 64,041.31
  4. Step 4: Simplify right side
    117,756.44x = 10,406,910,122.23
  5. Step 5: Solve for x
    x = 10,406,910,122.23/117,756.44
  6. Step 6: Final answer
    x = 88,376.57

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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.