Home / 212,553.20-293,332.46-121,934.72

Finding the Fourth Proportional to 212,553.20, 293,332.46 and 121,934.72

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Solution

The fourth proportional to 212,553.20, 293,332.46 and 121,934.72 is: 168,275.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,553.20 : 293,332.46 = 121,934.72 : x
  2. Step 2: Convert to fraction form
    212,553.20/293,332.46 = 121,934.72/x
  3. Step 3: Cross multiply
    212,553.20x = 293,332.46 × 121,934.72
  4. Step 4: Simplify right side
    212,553.20x = 35,767,411,377.01
  5. Step 5: Solve for x
    x = 35,767,411,377.01/212,553.20
  6. Step 6: Final answer
    x = 168,275.10

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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.