Home / 142,644.51-214,006.74-57,315.29

Finding the Fourth Proportional to 142,644.51, 214,006.74 and 57,315.29

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Solution

The fourth proportional to 142,644.51, 214,006.74 and 57,315.29 is: 85,988.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,644.51 : 214,006.74 = 57,315.29 : x
  2. Step 2: Convert to fraction form
    142,644.51/214,006.74 = 57,315.29/x
  3. Step 3: Cross multiply
    142,644.51x = 214,006.74 × 57,315.29
  4. Step 4: Simplify right side
    142,644.51x = 12,265,857,295.02
  5. Step 5: Solve for x
    x = 12,265,857,295.02/142,644.51
  6. Step 6: Final answer
    x = 85,988.99

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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.