Home / 124,274.56-171,379.68-83,530.88

Finding the Fourth Proportional to 124,274.56, 171,379.68 and 83,530.88

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Solution

The fourth proportional to 124,274.56, 171,379.68 and 83,530.88 is: 115,192.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,274.56 : 171,379.68 = 83,530.88 : x
  2. Step 2: Convert to fraction form
    124,274.56/171,379.68 = 83,530.88/x
  3. Step 3: Cross multiply
    124,274.56x = 171,379.68 × 83,530.88
  4. Step 4: Simplify right side
    124,274.56x = 14,315,495,484.52
  5. Step 5: Solve for x
    x = 14,315,495,484.52/124,274.56
  6. Step 6: Final answer
    x = 115,192.49

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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.