Home / 212,223.07-292,861.66-116,729.74

Finding the Fourth Proportional to 212,223.07, 292,861.66 and 116,729.74

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Solution

The fourth proportional to 212,223.07, 292,861.66 and 116,729.74 is: 161,083.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,223.07 : 292,861.66 = 116,729.74 : x
  2. Step 2: Convert to fraction form
    212,223.07/292,861.66 = 116,729.74/x
  3. Step 3: Cross multiply
    212,223.07x = 292,861.66 × 116,729.74
  4. Step 4: Simplify right side
    212,223.07x = 34,185,664,695.61
  5. Step 5: Solve for x
    x = 34,185,664,695.61/212,223.07
  6. Step 6: Final answer
    x = 161,083.64

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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.