Home / 212,279.42-292,945.16-116,785.89

Finding the Fourth Proportional to 212,279.42, 292,945.16 and 116,785.89

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Solution

The fourth proportional to 212,279.42, 292,945.16 and 116,785.89 is: 161,164.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,279.42 : 292,945.16 = 116,785.89 : x
  2. Step 2: Convert to fraction form
    212,279.42/292,945.16 = 116,785.89/x
  3. Step 3: Cross multiply
    212,279.42x = 292,945.16 × 116,785.89
  4. Step 4: Simplify right side
    212,279.42x = 34,211,859,475.10
  5. Step 5: Solve for x
    x = 34,211,859,475.10/212,279.42
  6. Step 6: Final answer
    x = 161,164.28

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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.