Home / 103,568.06-155,244.36-70,290.83

Finding the Fourth Proportional to 103,568.06, 155,244.36 and 70,290.83

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Solution

The fourth proportional to 103,568.06, 155,244.36 and 70,290.83 is: 105,363.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,568.06 : 155,244.36 = 70,290.83 : x
  2. Step 2: Convert to fraction form
    103,568.06/155,244.36 = 70,290.83/x
  3. Step 3: Cross multiply
    103,568.06x = 155,244.36 × 70,290.83
  4. Step 4: Simplify right side
    103,568.06x = 10,912,254,917.22
  5. Step 5: Solve for x
    x = 10,912,254,917.22/103,568.06
  6. Step 6: Final answer
    x = 105,363.13

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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.