Home / 144,962.40-200,056.68-81,303.72

Finding the Fourth Proportional to 144,962.40, 200,056.68 and 81,303.72

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Solution

The fourth proportional to 144,962.40, 200,056.68 and 81,303.72 is: 112,203.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,962.40 : 200,056.68 = 81,303.72 : x
  2. Step 2: Convert to fraction form
    144,962.40/200,056.68 = 81,303.72/x
  3. Step 3: Cross multiply
    144,962.40x = 200,056.68 × 81,303.72
  4. Step 4: Simplify right side
    144,962.40x = 16,265,352,294.85
  5. Step 5: Solve for x
    x = 16,265,352,294.85/144,962.40
  6. Step 6: Final answer
    x = 112,203.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.