Home / 148,947.80-223,421.70-142,035.80

Finding the Fourth Proportional to 148,947.80, 223,421.70 and 142,035.80

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Solution

The fourth proportional to 148,947.80, 223,421.70 and 142,035.80 is: 213,053.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,947.80 : 223,421.70 = 142,035.80 : x
  2. Step 2: Convert to fraction form
    148,947.80/223,421.70 = 142,035.80/x
  3. Step 3: Cross multiply
    148,947.80x = 223,421.70 × 142,035.80
  4. Step 4: Simplify right side
    148,947.80x = 31,733,879,896.86
  5. Step 5: Solve for x
    x = 31,733,879,896.86/148,947.80
  6. Step 6: Final answer
    x = 213,053.70

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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.