Home / 145,254.11-217,893.71-40,073.07

Finding the Fourth Proportional to 145,254.11, 217,893.71 and 40,073.07

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Solution

The fourth proportional to 145,254.11, 217,893.71 and 40,073.07 is: 60,113.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,254.11 : 217,893.71 = 40,073.07 : x
  2. Step 2: Convert to fraction form
    145,254.11/217,893.71 = 40,073.07/x
  3. Step 3: Cross multiply
    145,254.11x = 217,893.71 × 40,073.07
  4. Step 4: Simplify right side
    145,254.11x = 8,731,670,810.67
  5. Step 5: Solve for x
    x = 8,731,670,810.67/145,254.11
  6. Step 6: Final answer
    x = 60,113.07

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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.