Home / 261,721.02-361,175.08-146,999.84

Finding the Fourth Proportional to 261,721.02, 361,175.08 and 146,999.84

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Solution

The fourth proportional to 261,721.02, 361,175.08 and 146,999.84 is: 202,859.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,721.02 : 361,175.08 = 146,999.84 : x
  2. Step 2: Convert to fraction form
    261,721.02/361,175.08 = 146,999.84/x
  3. Step 3: Cross multiply
    261,721.02x = 361,175.08 × 146,999.84
  4. Step 4: Simplify right side
    261,721.02x = 53,092,678,971.99
  5. Step 5: Solve for x
    x = 53,092,678,971.99/261,721.02
  6. Step 6: Final answer
    x = 202,859.82

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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.