Home / 124,171.83-171,390.08-76,465.16

Finding the Fourth Proportional to 124,171.83, 171,390.08 and 76,465.16

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Solution

The fourth proportional to 124,171.83, 171,390.08 and 76,465.16 is: 105,542.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,171.83 : 171,390.08 = 76,465.16 : x
  2. Step 2: Convert to fraction form
    124,171.83/171,390.08 = 76,465.16/x
  3. Step 3: Cross multiply
    124,171.83x = 171,390.08 × 76,465.16
  4. Step 4: Simplify right side
    124,171.83x = 13,105,368,650.34
  5. Step 5: Solve for x
    x = 13,105,368,650.34/124,171.83
  6. Step 6: Final answer
    x = 105,542.20

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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.