Home / 103,524.86-155,182.67-40,305.58

Finding the Fourth Proportional to 103,524.86, 155,182.67 and 40,305.58

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Solution

The fourth proportional to 103,524.86, 155,182.67 and 40,305.58 is: 60,417.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,524.86 : 155,182.67 = 40,305.58 : x
  2. Step 2: Convert to fraction form
    103,524.86/155,182.67 = 40,305.58/x
  3. Step 3: Cross multiply
    103,524.86x = 155,182.67 × 40,305.58
  4. Step 4: Simplify right side
    103,524.86x = 6,254,726,542.86
  5. Step 5: Solve for x
    x = 6,254,726,542.86/103,524.86
  6. Step 6: Final answer
    x = 60,417.63

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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.