Home / 156,904.90-216,533.30-88,919.62

Finding the Fourth Proportional to 156,904.90, 216,533.30 and 88,919.62

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Solution

The fourth proportional to 156,904.90, 216,533.30 and 88,919.62 is: 122,711.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,904.90 : 216,533.30 = 88,919.62 : x
  2. Step 2: Convert to fraction form
    156,904.90/216,533.30 = 88,919.62/x
  3. Step 3: Cross multiply
    156,904.90x = 216,533.30 × 88,919.62
  4. Step 4: Simplify right side
    156,904.90x = 19,254,059,485.59
  5. Step 5: Solve for x
    x = 19,254,059,485.59/156,904.90
  6. Step 6: Final answer
    x = 122,711.65

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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.