Home / 149,595.63-206,437.23-85,071.87

Finding the Fourth Proportional to 149,595.63, 206,437.23 and 85,071.87

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Solution

The fourth proportional to 149,595.63, 206,437.23 and 85,071.87 is: 117,396.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,595.63 : 206,437.23 = 85,071.87 : x
  2. Step 2: Convert to fraction form
    149,595.63/206,437.23 = 85,071.87/x
  3. Step 3: Cross multiply
    149,595.63x = 206,437.23 × 85,071.87
  4. Step 4: Simplify right side
    149,595.63x = 17,562,000,768.36
  5. Step 5: Solve for x
    x = 17,562,000,768.36/149,595.63
  6. Step 6: Final answer
    x = 117,396.49

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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.