Home / 190,202.96-262,476.88-105,318.20

Finding the Fourth Proportional to 190,202.96, 262,476.88 and 105,318.20

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Solution

The fourth proportional to 190,202.96, 262,476.88 and 105,318.20 is: 145,337.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,202.96 : 262,476.88 = 105,318.20 : x
  2. Step 2: Convert to fraction form
    190,202.96/262,476.88 = 105,318.20/x
  3. Step 3: Cross multiply
    190,202.96x = 262,476.88 × 105,318.20
  4. Step 4: Simplify right side
    190,202.96x = 27,643,592,543.22
  5. Step 5: Solve for x
    x = 27,643,592,543.22/190,202.96
  6. Step 6: Final answer
    x = 145,337.34

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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.