Home / 144,289.13-216,433.68-39,108.10

Finding the Fourth Proportional to 144,289.13, 216,433.68 and 39,108.10

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Solution

The fourth proportional to 144,289.13, 216,433.68 and 39,108.10 is: 58,662.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,289.13 : 216,433.68 = 39,108.10 : x
  2. Step 2: Convert to fraction form
    144,289.13/216,433.68 = 39,108.10/x
  3. Step 3: Cross multiply
    144,289.13x = 216,433.68 × 39,108.10
  4. Step 4: Simplify right side
    144,289.13x = 8,464,308,918.64
  5. Step 5: Solve for x
    x = 8,464,308,918.64/144,289.13
  6. Step 6: Final answer
    x = 58,662.14

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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.