Home / 155,890.80-233,879.40-103,402.80

Finding the Fourth Proportional to 155,890.80, 233,879.40 and 103,402.80

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Solution

The fourth proportional to 155,890.80, 233,879.40 and 103,402.80 is: 155,132.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,890.80 : 233,879.40 = 103,402.80 : x
  2. Step 2: Convert to fraction form
    155,890.80/233,879.40 = 103,402.80/x
  3. Step 3: Cross multiply
    155,890.80x = 233,879.40 × 103,402.80
  4. Step 4: Simplify right side
    155,890.80x = 24,183,784,822.32
  5. Step 5: Solve for x
    x = 24,183,784,822.32/155,890.80
  6. Step 6: Final answer
    x = 155,132.85

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1.5x scale

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.