Home / 145,289.03-217,898.84-61,050.78

Finding the Fourth Proportional to 145,289.03, 217,898.84 and 61,050.78

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Solution

The fourth proportional to 145,289.03, 217,898.84 and 61,050.78 is: 91,561.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,289.03 : 217,898.84 = 61,050.78 : x
  2. Step 2: Convert to fraction form
    145,289.03/217,898.84 = 61,050.78/x
  3. Step 3: Cross multiply
    145,289.03x = 217,898.84 × 61,050.78
  4. Step 4: Simplify right side
    145,289.03x = 13,302,894,295.72
  5. Step 5: Solve for x
    x = 13,302,894,295.72/145,289.03
  6. Step 6: Final answer
    x = 91,561.59

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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.