Home / 102,043.72-153,065.90-30,966.96

Finding the Fourth Proportional to 102,043.72, 153,065.90 and 30,966.96

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Solution

The fourth proportional to 102,043.72, 153,065.90 and 30,966.96 is: 46,450.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,043.72 : 153,065.90 = 30,966.96 : x
  2. Step 2: Convert to fraction form
    102,043.72/153,065.90 = 30,966.96/x
  3. Step 3: Cross multiply
    102,043.72x = 153,065.90 × 30,966.96
  4. Step 4: Simplify right side
    102,043.72x = 4,739,985,393.08
  5. Step 5: Solve for x
    x = 4,739,985,393.08/102,043.72
  6. Step 6: Final answer
    x = 46,450.54

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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.