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Finding the Fourth Proportional to 212,045.68, 292,615.60 and 116,551.76

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Solution

The fourth proportional to 212,045.68, 292,615.60 and 116,551.76 is: 160,837.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,045.68 : 292,615.60 = 116,551.76 : x
  2. Step 2: Convert to fraction form
    212,045.68/292,615.60 = 116,551.76/x
  3. Step 3: Cross multiply
    212,045.68x = 292,615.60 × 116,551.76
  4. Step 4: Simplify right side
    212,045.68x = 34,104,863,183.46
  5. Step 5: Solve for x
    x = 34,104,863,183.46/212,045.68
  6. Step 6: Final answer
    x = 160,837.34

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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.