Home / 88,948.30-133,094.40-81,075.10

Finding the Fourth Proportional to 88,948.30, 133,094.40 and 81,075.10

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Solution

The fourth proportional to 88,948.30, 133,094.40 and 81,075.10 is: 121,313.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,948.30 : 133,094.40 = 81,075.10 : x
  2. Step 2: Convert to fraction form
    88,948.30/133,094.40 = 81,075.10/x
  3. Step 3: Cross multiply
    88,948.30x = 133,094.40 × 81,075.10
  4. Step 4: Simplify right side
    88,948.30x = 10,790,641,789.44
  5. Step 5: Solve for x
    x = 10,790,641,789.44/88,948.30
  6. Step 6: Final answer
    x = 121,313.64

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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.