Home / 156,634.32-216,145.53-88,665.10

Finding the Fourth Proportional to 156,634.32, 216,145.53 and 88,665.10

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Solution

The fourth proportional to 156,634.32, 216,145.53 and 88,665.10 is: 122,352.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,634.32 : 216,145.53 = 88,665.10 : x
  2. Step 2: Convert to fraction form
    156,634.32/216,145.53 = 88,665.10/x
  3. Step 3: Cross multiply
    156,634.32x = 216,145.53 × 88,665.10
  4. Step 4: Simplify right side
    156,634.32x = 19,164,564,491.64
  5. Step 5: Solve for x
    x = 19,164,564,491.64/156,634.32
  6. Step 6: Final answer
    x = 122,352.27

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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.