Home / 261,681.12-361,118.93-146,943.81

Finding the Fourth Proportional to 261,681.12, 361,118.93 and 146,943.81

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Solution

The fourth proportional to 261,681.12, 361,118.93 and 146,943.81 is: 202,781.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,681.12 : 361,118.93 = 146,943.81 : x
  2. Step 2: Convert to fraction form
    261,681.12/361,118.93 = 146,943.81/x
  3. Step 3: Cross multiply
    261,681.12x = 361,118.93 × 146,943.81
  4. Step 4: Simplify right side
    261,681.12x = 53,064,190,702.60
  5. Step 5: Solve for x
    x = 53,064,190,702.60/261,681.12
  6. Step 6: Final answer
    x = 202,781.88

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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.