Home / 156,522.40-216,001.02-84,902.20

Finding the Fourth Proportional to 156,522.40, 216,001.02 and 84,902.20

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Solution

The fourth proportional to 156,522.40, 216,001.02 and 84,902.20 is: 117,165.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,522.40 : 216,001.02 = 84,902.20 : x
  2. Step 2: Convert to fraction form
    156,522.40/216,001.02 = 84,902.20/x
  3. Step 3: Cross multiply
    156,522.40x = 216,001.02 × 84,902.20
  4. Step 4: Simplify right side
    156,522.40x = 18,338,961,800.24
  5. Step 5: Solve for x
    x = 18,338,961,800.24/156,522.40
  6. Step 6: Final answer
    x = 117,165.09

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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.