Home / 175,937.10-242,825.70-100,485.60

Finding the Fourth Proportional to 175,937.10, 242,825.70 and 100,485.60

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Solution

The fourth proportional to 175,937.10, 242,825.70 and 100,485.60 is: 138,688.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,937.10 : 242,825.70 = 100,485.60 : x
  2. Step 2: Convert to fraction form
    175,937.10/242,825.70 = 100,485.60/x
  3. Step 3: Cross multiply
    175,937.10x = 242,825.70 × 100,485.60
  4. Step 4: Simplify right side
    175,937.10x = 24,400,486,159.92
  5. Step 5: Solve for x
    x = 24,400,486,159.92/175,937.10
  6. Step 6: Final answer
    x = 138,688.69

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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.