Home / 144,941.20-217,411.80-133,536.40

Finding the Fourth Proportional to 144,941.20, 217,411.80 and 133,536.40

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Solution

The fourth proportional to 144,941.20, 217,411.80 and 133,536.40 is: 200,304.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,941.20 : 217,411.80 = 133,536.40 : x
  2. Step 2: Convert to fraction form
    144,941.20/217,411.80 = 133,536.40/x
  3. Step 3: Cross multiply
    144,941.20x = 217,411.80 × 133,536.40
  4. Step 4: Simplify right side
    144,941.20x = 29,032,389,089.52
  5. Step 5: Solve for x
    x = 29,032,389,089.52/144,941.20
  6. Step 6: Final answer
    x = 200,304.60

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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.