Home / 175,988.47-242,629.15-139,809.96

Finding the Fourth Proportional to 175,988.47, 242,629.15 and 139,809.96

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Solution

The fourth proportional to 175,988.47, 242,629.15 and 139,809.96 is: 192,751.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,988.47 : 242,629.15 = 139,809.96 : x
  2. Step 2: Convert to fraction form
    175,988.47/242,629.15 = 139,809.96/x
  3. Step 3: Cross multiply
    175,988.47x = 242,629.15 × 139,809.96
  4. Step 4: Simplify right side
    175,988.47x = 33,921,971,756.33
  5. Step 5: Solve for x
    x = 33,921,971,756.33/175,988.47
  6. Step 6: Final answer
    x = 192,751.10

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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.