Home / 102,066.08-153,123.71-100,371.47

Finding the Fourth Proportional to 102,066.08, 153,123.71 and 100,371.47

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Solution

The fourth proportional to 102,066.08, 153,123.71 and 100,371.47 is: 150,581.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,066.08 : 153,123.71 = 100,371.47 : x
  2. Step 2: Convert to fraction form
    102,066.08/153,123.71 = 100,371.47/x
  3. Step 3: Cross multiply
    102,066.08x = 153,123.71 × 100,371.47
  4. Step 4: Simplify right side
    102,066.08x = 15,369,250,597.08
  5. Step 5: Solve for x
    x = 15,369,250,597.08/102,066.08
  6. Step 6: Final answer
    x = 150,581.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.