Home / 108,717.02-150,045.89-66,300.15

Finding the Fourth Proportional to 108,717.02, 150,045.89 and 66,300.15

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Solution

The fourth proportional to 108,717.02, 150,045.89 and 66,300.15 is: 91,504.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,717.02 : 150,045.89 = 66,300.15 : x
  2. Step 2: Convert to fraction form
    108,717.02/150,045.89 = 66,300.15/x
  3. Step 3: Cross multiply
    108,717.02x = 150,045.89 × 66,300.15
  4. Step 4: Simplify right side
    108,717.02x = 9,948,064,682.38
  5. Step 5: Solve for x
    x = 9,948,064,682.38/108,717.02
  6. Step 6: Final answer
    x = 91,504.21

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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.