Home / 187,983.84-282,038.92-69,664.72

Finding the Fourth Proportional to 187,983.84, 282,038.92 and 69,664.72

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Solution

The fourth proportional to 187,983.84, 282,038.92 and 69,664.72 is: 104,520.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,983.84 : 282,038.92 = 69,664.72 : x
  2. Step 2: Convert to fraction form
    187,983.84/282,038.92 = 69,664.72/x
  3. Step 3: Cross multiply
    187,983.84x = 282,038.92 × 69,664.72
  4. Step 4: Simplify right side
    187,983.84x = 19,648,162,390.90
  5. Step 5: Solve for x
    x = 19,648,162,390.90/187,983.84
  6. Step 6: Final answer
    x = 104,520.49

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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.