Home / 261,837.15-361,313.08-147,106.81

Finding the Fourth Proportional to 261,837.15, 361,313.08 and 147,106.81

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Solution

The fourth proportional to 261,837.15, 361,313.08 and 147,106.81 is: 202,994.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,837.15 : 361,313.08 = 147,106.81 : x
  2. Step 2: Convert to fraction form
    261,837.15/361,313.08 = 147,106.81/x
  3. Step 3: Cross multiply
    261,837.15x = 361,313.08 × 147,106.81
  4. Step 4: Simplify right side
    261,837.15x = 53,151,614,610.07
  5. Step 5: Solve for x
    x = 53,151,614,610.07/261,837.15
  6. Step 6: Final answer
    x = 202,994.93

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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.