Home / 70,223.18-105,361.36-42,162.83

Finding the Fourth Proportional to 70,223.18, 105,361.36 and 42,162.83

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Solution

The fourth proportional to 70,223.18, 105,361.36 and 42,162.83 is: 63,260.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,223.18 : 105,361.36 = 42,162.83 : x
  2. Step 2: Convert to fraction form
    70,223.18/105,361.36 = 42,162.83/x
  3. Step 3: Cross multiply
    70,223.18x = 105,361.36 × 42,162.83
  4. Step 4: Simplify right side
    70,223.18x = 4,442,332,873.14
  5. Step 5: Solve for x
    x = 4,442,332,873.14/70,223.18
  6. Step 6: Final answer
    x = 63,260.21

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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.