Home / 106,136.12-146,407.02-66,323

Finding the Fourth Proportional to 106,136.12, 146,407.02 and 66,323

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Solution

The fourth proportional to 106,136.12, 146,407.02 and 66,323 is: 91,487.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,136.12 : 146,407.02 = 66,323 : x
  2. Step 2: Convert to fraction form
    106,136.12/146,407.02 = 66,323/x
  3. Step 3: Cross multiply
    106,136.12x = 146,407.02 × 66,323
  4. Step 4: Simplify right side
    106,136.12x = 9,710,152,787.46
  5. Step 5: Solve for x
    x = 9,710,152,787.46/106,136.12
  6. Step 6: Final answer
    x = 91,487.73

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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.