Home / 144,943.40-217,415.10-120,011.60

Finding the Fourth Proportional to 144,943.40, 217,415.10 and 120,011.60

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Solution

The fourth proportional to 144,943.40, 217,415.10 and 120,011.60 is: 180,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,943.40 : 217,415.10 = 120,011.60 : x
  2. Step 2: Convert to fraction form
    144,943.40/217,415.10 = 120,011.60/x
  3. Step 3: Cross multiply
    144,943.40x = 217,415.10 × 120,011.60
  4. Step 4: Simplify right side
    144,943.40x = 26,092,334,015.16
  5. Step 5: Solve for x
    x = 26,092,334,015.16/144,943.40
  6. Step 6: Final answer
    x = 180,017.40

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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.