Home / 103,777.20-155,665.80-93,607.65

Finding the Fourth Proportional to 103,777.20, 155,665.80 and 93,607.65

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Solution

The fourth proportional to 103,777.20, 155,665.80 and 93,607.65 is: 140,411.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,777.20 : 155,665.80 = 93,607.65 : x
  2. Step 2: Convert to fraction form
    103,777.20/155,665.80 = 93,607.65/x
  3. Step 3: Cross multiply
    103,777.20x = 155,665.80 × 93,607.65
  4. Step 4: Simplify right side
    103,777.20x = 14,571,509,723.37
  5. Step 5: Solve for x
    x = 14,571,509,723.37/103,777.20
  6. Step 6: Final answer
    x = 140,411.48

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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.