Home / 175,987.47-242,627.77-139,808.96

Finding the Fourth Proportional to 175,987.47, 242,627.77 and 139,808.96

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Solution

The fourth proportional to 175,987.47, 242,627.77 and 139,808.96 is: 192,749.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,987.47 : 242,627.77 = 139,808.96 : x
  2. Step 2: Convert to fraction form
    175,987.47/242,627.77 = 139,808.96/x
  3. Step 3: Cross multiply
    175,987.47x = 242,627.77 × 139,808.96
  4. Step 4: Simplify right side
    175,987.47x = 33,921,536,062.30
  5. Step 5: Solve for x
    x = 33,921,536,062.30/175,987.47
  6. Step 6: Final answer
    x = 192,749.72

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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.