Home / 112,541.92-155,338.56-70,075.36

Finding the Fourth Proportional to 112,541.92, 155,338.56 and 70,075.36

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Solution

The fourth proportional to 112,541.92, 155,338.56 and 70,075.36 is: 96,723.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,541.92 : 155,338.56 = 70,075.36 : x
  2. Step 2: Convert to fraction form
    112,541.92/155,338.56 = 70,075.36/x
  3. Step 3: Cross multiply
    112,541.92x = 155,338.56 × 70,075.36
  4. Step 4: Simplify right side
    112,541.92x = 10,885,405,513.88
  5. Step 5: Solve for x
    x = 10,885,405,513.88/112,541.92
  6. Step 6: Final answer
    x = 96,723.12

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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.