Home / 190,895.20-286,342.80-97,388.80

Finding the Fourth Proportional to 190,895.20, 286,342.80 and 97,388.80

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Solution

The fourth proportional to 190,895.20, 286,342.80 and 97,388.80 is: 146,083.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,895.20 : 286,342.80 = 97,388.80 : x
  2. Step 2: Convert to fraction form
    190,895.20/286,342.80 = 97,388.80/x
  3. Step 3: Cross multiply
    190,895.20x = 286,342.80 × 97,388.80
  4. Step 4: Simplify right side
    190,895.20x = 27,886,581,680.64
  5. Step 5: Solve for x
    x = 27,886,581,680.64/190,895.20
  6. Step 6: Final answer
    x = 146,083.20

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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.