Home / 157,465.41-217,304.13-85,844.80

Finding the Fourth Proportional to 157,465.41, 217,304.13 and 85,844.80

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Solution

The fourth proportional to 157,465.41, 217,304.13 and 85,844.80 is: 118,466.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,465.41 : 217,304.13 = 85,844.80 : x
  2. Step 2: Convert to fraction form
    157,465.41/217,304.13 = 85,844.80/x
  3. Step 3: Cross multiply
    157,465.41x = 217,304.13 × 85,844.80
  4. Step 4: Simplify right side
    157,465.41x = 18,654,429,579.02
  5. Step 5: Solve for x
    x = 18,654,429,579.02/157,465.41
  6. Step 6: Final answer
    x = 118,466.84

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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.