Home / 103,601.79-155,395.67-40,410.23

Finding the Fourth Proportional to 103,601.79, 155,395.67 and 40,410.23

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Solution

The fourth proportional to 103,601.79, 155,395.67 and 40,410.23 is: 60,612.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,601.79 : 155,395.67 = 40,410.23 : x
  2. Step 2: Convert to fraction form
    103,601.79/155,395.67 = 40,410.23/x
  3. Step 3: Cross multiply
    103,601.79x = 155,395.67 × 40,410.23
  4. Step 4: Simplify right side
    103,601.79x = 6,279,573,786.67
  5. Step 5: Solve for x
    x = 6,279,573,786.67/103,601.79
  6. Step 6: Final answer
    x = 60,612.60

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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.