Home / 175,423.34-242,194.90-121,689.56

Finding the Fourth Proportional to 175,423.34, 242,194.90 and 121,689.56

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Solution

The fourth proportional to 175,423.34, 242,194.90 and 121,689.56 is: 168,008.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,423.34 : 242,194.90 = 121,689.56 : x
  2. Step 2: Convert to fraction form
    175,423.34/242,194.90 = 121,689.56/x
  3. Step 3: Cross multiply
    175,423.34x = 242,194.90 × 121,689.56
  4. Step 4: Simplify right side
    175,423.34x = 29,472,589,300.05
  5. Step 5: Solve for x
    x = 29,472,589,300.05/175,423.34
  6. Step 6: Final answer
    x = 168,008.37

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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.