Home / 175,981.47-242,790.78-115,584.83

Finding the Fourth Proportional to 175,981.47, 242,790.78 and 115,584.83

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Solution

The fourth proportional to 175,981.47, 242,790.78 and 115,584.83 is: 159,465.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,981.47 : 242,790.78 = 115,584.83 : x
  2. Step 2: Convert to fraction form
    175,981.47/242,790.78 = 115,584.83/x
  3. Step 3: Cross multiply
    175,981.47x = 242,790.78 × 115,584.83
  4. Step 4: Simplify right side
    175,981.47x = 28,062,931,031.87
  5. Step 5: Solve for x
    x = 28,062,931,031.87/175,981.47
  6. Step 6: Final answer
    x = 159,465.26

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1.5x scale

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.