Home / 253,584.46-349,957.47-140,407.21

Finding the Fourth Proportional to 253,584.46, 349,957.47 and 140,407.21

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Solution

The fourth proportional to 253,584.46, 349,957.47 and 140,407.21 is: 193,767.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,584.46 : 349,957.47 = 140,407.21 : x
  2. Step 2: Convert to fraction form
    253,584.46/349,957.47 = 140,407.21/x
  3. Step 3: Cross multiply
    253,584.46x = 349,957.47 × 140,407.21
  4. Step 4: Simplify right side
    253,584.46x = 49,136,551,981.36
  5. Step 5: Solve for x
    x = 49,136,551,981.36/253,584.46
  6. Step 6: Final answer
    x = 193,767.99

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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.