Home / 103,330.20-155,009.70-44,165.40

Finding the Fourth Proportional to 103,330.20, 155,009.70 and 44,165.40

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Solution

The fourth proportional to 103,330.20, 155,009.70 and 44,165.40 is: 66,254.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,330.20 : 155,009.70 = 44,165.40 : x
  2. Step 2: Convert to fraction form
    103,330.20/155,009.70 = 44,165.40/x
  3. Step 3: Cross multiply
    103,330.20x = 155,009.70 × 44,165.40
  4. Step 4: Simplify right side
    103,330.20x = 6,846,065,404.38
  5. Step 5: Solve for x
    x = 6,846,065,404.38/103,330.20
  6. Step 6: Final answer
    x = 66,254.25

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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.