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Finding the Fourth Proportional to 144,024.60, 216,008.10 and 69,144.60

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Solution

The fourth proportional to 144,024.60, 216,008.10 and 69,144.60 is: 103,703.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,024.60 : 216,008.10 = 69,144.60 : x
  2. Step 2: Convert to fraction form
    144,024.60/216,008.10 = 69,144.60/x
  3. Step 3: Cross multiply
    144,024.60x = 216,008.10 × 69,144.60
  4. Step 4: Simplify right side
    144,024.60x = 14,935,793,671.26
  5. Step 5: Solve for x
    x = 14,935,793,671.26/144,024.60
  6. Step 6: Final answer
    x = 103,703.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.