Home / 261,885.07-361,374.46-147,145.48

Finding the Fourth Proportional to 261,885.07, 361,374.46 and 147,145.48

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Solution

The fourth proportional to 261,885.07, 361,374.46 and 147,145.48 is: 203,045.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,885.07 : 361,374.46 = 147,145.48 : x
  2. Step 2: Convert to fraction form
    261,885.07/361,374.46 = 147,145.48/x
  3. Step 3: Cross multiply
    261,885.07x = 361,374.46 × 147,145.48
  4. Step 4: Simplify right side
    261,885.07x = 53,174,617,932.83
  5. Step 5: Solve for x
    x = 53,174,617,932.83/261,885.07
  6. Step 6: Final answer
    x = 203,045.63

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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.