Home / 190,207.24-262,482.78-105,322.48

Finding the Fourth Proportional to 190,207.24, 262,482.78 and 105,322.48

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Solution

The fourth proportional to 190,207.24, 262,482.78 and 105,322.48 is: 145,343.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,207.24 : 262,482.78 = 105,322.48 : x
  2. Step 2: Convert to fraction form
    190,207.24/262,482.78 = 105,322.48/x
  3. Step 3: Cross multiply
    190,207.24x = 262,482.78 × 105,322.48
  4. Step 4: Simplify right side
    190,207.24x = 27,645,337,346.89
  5. Step 5: Solve for x
    x = 27,645,337,346.89/190,207.24
  6. Step 6: Final answer
    x = 145,343.24

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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.