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Finding the Fourth Proportional to 156,955, 216,550.02 and 88,961.08

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Solution

The fourth proportional to 156,955, 216,550.02 and 88,961.08 is: 122,739.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,955 : 216,550.02 = 88,961.08 : x
  2. Step 2: Convert to fraction form
    156,955/216,550.02 = 88,961.08/x
  3. Step 3: Cross multiply
    156,955x = 216,550.02 × 88,961.08
  4. Step 4: Simplify right side
    156,955x = 19,264,523,653.22
  5. Step 5: Solve for x
    x = 19,264,523,653.22/156,955
  6. Step 6: Final answer
    x = 122,739.15

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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.