Home / 108,457.48-149,594.01-66,018.73

Finding the Fourth Proportional to 108,457.48, 149,594.01 and 66,018.73

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Solution

The fourth proportional to 108,457.48, 149,594.01 and 66,018.73 is: 91,058.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,457.48 : 149,594.01 = 66,018.73 : x
  2. Step 2: Convert to fraction form
    108,457.48/149,594.01 = 66,018.73/x
  3. Step 3: Cross multiply
    108,457.48x = 149,594.01 × 66,018.73
  4. Step 4: Simplify right side
    108,457.48x = 9,876,006,555.81
  5. Step 5: Solve for x
    x = 9,876,006,555.81/108,457.48
  6. Step 6: Final answer
    x = 91,058.79

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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.