Home / 149,110.56-205,903.89-101,477.70

Finding the Fourth Proportional to 149,110.56, 205,903.89 and 101,477.70

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Solution

The fourth proportional to 149,110.56, 205,903.89 and 101,477.70 is: 140,128.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,110.56 : 205,903.89 = 101,477.70 : x
  2. Step 2: Convert to fraction form
    149,110.56/205,903.89 = 101,477.70/x
  3. Step 3: Cross multiply
    149,110.56x = 205,903.89 × 101,477.70
  4. Step 4: Simplify right side
    149,110.56x = 20,894,653,178.25
  5. Step 5: Solve for x
    x = 20,894,653,178.25/149,110.56
  6. Step 6: Final answer
    x = 140,128.59

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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.