Home / 113,804.57-170,725.40-42,732.71

Finding the Fourth Proportional to 113,804.57, 170,725.40 and 42,732.71

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Solution

The fourth proportional to 113,804.57, 170,725.40 and 42,732.71 is: 64,106.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,804.57 : 170,725.40 = 42,732.71 : x
  2. Step 2: Convert to fraction form
    113,804.57/170,725.40 = 42,732.71/x
  3. Step 3: Cross multiply
    113,804.57x = 170,725.40 × 42,732.71
  4. Step 4: Simplify right side
    113,804.57x = 7,295,558,741.01
  5. Step 5: Solve for x
    x = 7,295,558,741.01/113,804.57
  6. Step 6: Final answer
    x = 64,106.02

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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.