Home / 190,202.46-262,476.18-105,317.70

Finding the Fourth Proportional to 190,202.46, 262,476.18 and 105,317.70

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Solution

The fourth proportional to 190,202.46, 262,476.18 and 105,317.70 is: 145,336.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,202.46 : 262,476.18 = 105,317.70 : x
  2. Step 2: Convert to fraction form
    190,202.46/262,476.18 = 105,317.70/x
  3. Step 3: Cross multiply
    190,202.46x = 262,476.18 × 105,317.70
  4. Step 4: Simplify right side
    190,202.46x = 27,643,386,533.30
  5. Step 5: Solve for x
    x = 27,643,386,533.30/190,202.46
  6. Step 6: Final answer
    x = 145,336.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.