Home / 261,917.07-361,435.95-160,113.03

Finding the Fourth Proportional to 261,917.07, 361,435.95 and 160,113.03

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Solution

The fourth proportional to 261,917.07, 361,435.95 and 160,113.03 is: 220,950.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,917.07 : 361,435.95 = 160,113.03 : x
  2. Step 2: Convert to fraction form
    261,917.07/361,435.95 = 160,113.03/x
  3. Step 3: Cross multiply
    261,917.07x = 361,435.95 × 160,113.03
  4. Step 4: Simplify right side
    261,917.07x = 57,870,605,105.43
  5. Step 5: Solve for x
    x = 57,870,605,105.43/261,917.07
  6. Step 6: Final answer
    x = 220,950.11

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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.