Home / 212,780.19-293,627.83-115,981.91

Finding the Fourth Proportional to 212,780.19, 293,627.83 and 115,981.91

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Solution

The fourth proportional to 212,780.19, 293,627.83 and 115,981.91 is: 160,050.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,780.19 : 293,627.83 = 115,981.91 : x
  2. Step 2: Convert to fraction form
    212,780.19/293,627.83 = 115,981.91/x
  3. Step 3: Cross multiply
    212,780.19x = 293,627.83 × 115,981.91
  4. Step 4: Simplify right side
    212,780.19x = 34,055,516,552.56
  5. Step 5: Solve for x
    x = 34,055,516,552.56/212,780.19
  6. Step 6: Final answer
    x = 160,050.22

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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.