Home / 124,208.12-171,378.06-70,481

Finding the Fourth Proportional to 124,208.12, 171,378.06 and 70,481

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Solution

The fourth proportional to 124,208.12, 171,378.06 and 70,481 is: 97,247.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,208.12 : 171,378.06 = 70,481 : x
  2. Step 2: Convert to fraction form
    124,208.12/171,378.06 = 70,481/x
  3. Step 3: Cross multiply
    124,208.12x = 171,378.06 × 70,481
  4. Step 4: Simplify right side
    124,208.12x = 12,078,897,046.86
  5. Step 5: Solve for x
    x = 12,078,897,046.86/124,208.12
  6. Step 6: Final answer
    x = 97,247.24

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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.