Home / 190,752.12-286,061.76-55,780.02

Finding the Fourth Proportional to 190,752.12, 286,061.76 and 55,780.02

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Solution

The fourth proportional to 190,752.12, 286,061.76 and 55,780.02 is: 83,650.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,752.12 : 286,061.76 = 55,780.02 : x
  2. Step 2: Convert to fraction form
    190,752.12/286,061.76 = 55,780.02/x
  3. Step 3: Cross multiply
    190,752.12x = 286,061.76 × 55,780.02
  4. Step 4: Simplify right side
    190,752.12x = 15,956,530,694.04
  5. Step 5: Solve for x
    x = 15,956,530,694.04/190,752.12
  6. Step 6: Final answer
    x = 83,650.61

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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.