Home / 148,647.57-223,005.40-64,421.86

Finding the Fourth Proportional to 148,647.57, 223,005.40 and 64,421.86

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Solution

The fourth proportional to 148,647.57, 223,005.40 and 64,421.86 is: 96,647.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,647.57 : 223,005.40 = 64,421.86 : x
  2. Step 2: Convert to fraction form
    148,647.57/223,005.40 = 64,421.86/x
  3. Step 3: Cross multiply
    148,647.57x = 223,005.40 × 64,421.86
  4. Step 4: Simplify right side
    148,647.57x = 14,366,421,939.48
  5. Step 5: Solve for x
    x = 14,366,421,939.48/148,647.57
  6. Step 6: Final answer
    x = 96,647.54

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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.