Home / 186,117.17-279,175.77-45,875.79

Finding the Fourth Proportional to 186,117.17, 279,175.77 and 45,875.79

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Solution

The fourth proportional to 186,117.17, 279,175.77 and 45,875.79 is: 68,813.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,117.17 : 279,175.77 = 45,875.79 : x
  2. Step 2: Convert to fraction form
    186,117.17/279,175.77 = 45,875.79/x
  3. Step 3: Cross multiply
    186,117.17x = 279,175.77 × 45,875.79
  4. Step 4: Simplify right side
    186,117.17x = 12,807,408,997.61
  5. Step 5: Solve for x
    x = 12,807,408,997.61/186,117.17
  6. Step 6: Final answer
    x = 68,813.69

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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.