Home / 108,860.32-150,235.92-61,116.80

Finding the Fourth Proportional to 108,860.32, 150,235.92 and 61,116.80

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Solution

The fourth proportional to 108,860.32, 150,235.92 and 61,116.80 is: 84,346.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,860.32 : 150,235.92 = 61,116.80 : x
  2. Step 2: Convert to fraction form
    108,860.32/150,235.92 = 61,116.80/x
  3. Step 3: Cross multiply
    108,860.32x = 150,235.92 × 61,116.80
  4. Step 4: Simplify right side
    108,860.32x = 9,181,938,675.46
  5. Step 5: Solve for x
    x = 9,181,938,675.46/108,860.32
  6. Step 6: Final answer
    x = 84,346.06

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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.