Home / 112,743.36-155,585.61-61,757.10

Finding the Fourth Proportional to 112,743.36, 155,585.61 and 61,757.10

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Solution

The fourth proportional to 112,743.36, 155,585.61 and 61,757.10 is: 85,224.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,743.36 : 155,585.61 = 61,757.10 : x
  2. Step 2: Convert to fraction form
    112,743.36/155,585.61 = 61,757.10/x
  3. Step 3: Cross multiply
    112,743.36x = 155,585.61 × 61,757.10
  4. Step 4: Simplify right side
    112,743.36x = 9,608,516,075.33
  5. Step 5: Solve for x
    x = 9,608,516,075.33/112,743.36
  6. Step 6: Final answer
    x = 85,224.67

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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.