Home / 108,018.30-149,060.67-62,692.74

Finding the Fourth Proportional to 108,018.30, 149,060.67 and 62,692.74

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Solution

The fourth proportional to 108,018.30, 149,060.67 and 62,692.74 is: 86,513.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,018.30 : 149,060.67 = 62,692.74 : x
  2. Step 2: Convert to fraction form
    108,018.30/149,060.67 = 62,692.74/x
  3. Step 3: Cross multiply
    108,018.30x = 149,060.67 × 62,692.74
  4. Step 4: Simplify right side
    108,018.30x = 9,345,021,828.54
  5. Step 5: Solve for x
    x = 9,345,021,828.54/108,018.30
  6. Step 6: Final answer
    x = 86,513.32

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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.