Home / 99,232.40-148,848.60-91,629.20

Finding the Fourth Proportional to 99,232.40, 148,848.60 and 91,629.20

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Solution

The fourth proportional to 99,232.40, 148,848.60 and 91,629.20 is: 137,443.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,232.40 : 148,848.60 = 91,629.20 : x
  2. Step 2: Convert to fraction form
    99,232.40/148,848.60 = 91,629.20/x
  3. Step 3: Cross multiply
    99,232.40x = 148,848.60 × 91,629.20
  4. Step 4: Simplify right side
    99,232.40x = 13,638,878,139.12
  5. Step 5: Solve for x
    x = 13,638,878,139.12/99,232.40
  6. Step 6: Final answer
    x = 137,443.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.