Home / 112,740.57-169,130.25-37,867.91

Finding the Fourth Proportional to 112,740.57, 169,130.25 and 37,867.91

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Solution

The fourth proportional to 112,740.57, 169,130.25 and 37,867.91 is: 56,808.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,740.57 : 169,130.25 = 37,867.91 : x
  2. Step 2: Convert to fraction form
    112,740.57/169,130.25 = 37,867.91/x
  3. Step 3: Cross multiply
    112,740.57x = 169,130.25 × 37,867.91
  4. Step 4: Simplify right side
    112,740.57x = 6,404,608,239.63
  5. Step 5: Solve for x
    x = 6,404,608,239.63/112,740.57
  6. Step 6: Final answer
    x = 56,808.37

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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.