Home / 144,890.72-217,387.50-64,922.40

Finding the Fourth Proportional to 144,890.72, 217,387.50 and 64,922.40

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Solution

The fourth proportional to 144,890.72, 217,387.50 and 64,922.40 is: 97,406.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,890.72 : 217,387.50 = 64,922.40 : x
  2. Step 2: Convert to fraction form
    144,890.72/217,387.50 = 64,922.40/x
  3. Step 3: Cross multiply
    144,890.72x = 217,387.50 × 64,922.40
  4. Step 4: Simplify right side
    144,890.72x = 14,113,318,230
  5. Step 5: Solve for x
    x = 14,113,318,230/144,890.72
  6. Step 6: Final answer
    x = 97,406.64

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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.