Home / 145,095.47-217,385.78-60,669.57

Finding the Fourth Proportional to 145,095.47, 217,385.78 and 60,669.57

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Solution

The fourth proportional to 145,095.47, 217,385.78 and 60,669.57 is: 90,896.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,095.47 : 217,385.78 = 60,669.57 : x
  2. Step 2: Convert to fraction form
    145,095.47/217,385.78 = 60,669.57/x
  3. Step 3: Cross multiply
    145,095.47x = 217,385.78 × 60,669.57
  4. Step 4: Simplify right side
    145,095.47x = 13,188,701,493.37
  5. Step 5: Solve for x
    x = 13,188,701,493.37/145,095.47
  6. Step 6: Final answer
    x = 90,896.72

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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.