Home / 144,095.21-216,138.20-65,209.43

Finding the Fourth Proportional to 144,095.21, 216,138.20 and 65,209.43

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Solution

The fourth proportional to 144,095.21, 216,138.20 and 65,209.43 is: 97,812.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,095.21 : 216,138.20 = 65,209.43 : x
  2. Step 2: Convert to fraction form
    144,095.21/216,138.20 = 65,209.43/x
  3. Step 3: Cross multiply
    144,095.21x = 216,138.20 × 65,209.43
  4. Step 4: Simplify right side
    144,095.21x = 14,094,247,416.49
  5. Step 5: Solve for x
    x = 14,094,247,416.49/144,095.21
  6. Step 6: Final answer
    x = 97,812.05

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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.