Home / 212,154.98-292,763.85-116,665.70

Finding the Fourth Proportional to 212,154.98, 292,763.85 and 116,665.70

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Solution

The fourth proportional to 212,154.98, 292,763.85 and 116,665.70 is: 160,993.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,154.98 : 292,763.85 = 116,665.70 : x
  2. Step 2: Convert to fraction form
    212,154.98/292,763.85 = 116,665.70/x
  3. Step 3: Cross multiply
    212,154.98x = 292,763.85 × 116,665.70
  4. Step 4: Simplify right side
    212,154.98x = 34,155,499,494.95
  5. Step 5: Solve for x
    x = 34,155,499,494.95/212,154.98
  6. Step 6: Final answer
    x = 160,993.15

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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.