Home / 99,935.44-137,897.64-64,173.94

Finding the Fourth Proportional to 99,935.44, 137,897.64 and 64,173.94

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Solution

The fourth proportional to 99,935.44, 137,897.64 and 64,173.94 is: 88,551.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,935.44 : 137,897.64 = 64,173.94 : x
  2. Step 2: Convert to fraction form
    99,935.44/137,897.64 = 64,173.94/x
  3. Step 3: Cross multiply
    99,935.44x = 137,897.64 × 64,173.94
  4. Step 4: Simplify right side
    99,935.44x = 8,849,434,530.76
  5. Step 5: Solve for x
    x = 8,849,434,530.76/99,935.44
  6. Step 6: Final answer
    x = 88,551.52

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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.