Home / 156,258.02-215,494.33-102,522.62

Finding the Fourth Proportional to 156,258.02, 215,494.33 and 102,522.62

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Solution

The fourth proportional to 156,258.02, 215,494.33 and 102,522.62 is: 141,388.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,258.02 : 215,494.33 = 102,522.62 : x
  2. Step 2: Convert to fraction form
    156,258.02/215,494.33 = 102,522.62/x
  3. Step 3: Cross multiply
    156,258.02x = 215,494.33 × 102,522.62
  4. Step 4: Simplify right side
    156,258.02x = 22,093,043,306.74
  5. Step 5: Solve for x
    x = 22,093,043,306.74/156,258.02
  6. Step 6: Final answer
    x = 141,388.22

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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.