Home / 212,423.19-293,143.98-115,627.42

Finding the Fourth Proportional to 212,423.19, 293,143.98 and 115,627.42

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Solution

The fourth proportional to 212,423.19, 293,143.98 and 115,627.42 is: 159,565.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,423.19 : 293,143.98 = 115,627.42 : x
  2. Step 2: Convert to fraction form
    212,423.19/293,143.98 = 115,627.42/x
  3. Step 3: Cross multiply
    212,423.19x = 293,143.98 × 115,627.42
  4. Step 4: Simplify right side
    212,423.19x = 33,895,482,095.93
  5. Step 5: Solve for x
    x = 33,895,482,095.93/212,423.19
  6. Step 6: Final answer
    x = 159,565.83

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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.