Home / 114,435.21-157,919.82-63,447.95

Finding the Fourth Proportional to 114,435.21, 157,919.82 and 63,447.95

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Solution

The fourth proportional to 114,435.21, 157,919.82 and 63,447.95 is: 87,557.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,435.21 : 157,919.82 = 63,447.95 : x
  2. Step 2: Convert to fraction form
    114,435.21/157,919.82 = 63,447.95/x
  3. Step 3: Cross multiply
    114,435.21x = 157,919.82 × 63,447.95
  4. Step 4: Simplify right side
    114,435.21x = 10,019,688,053.77
  5. Step 5: Solve for x
    x = 10,019,688,053.77/114,435.21
  6. Step 6: Final answer
    x = 87,557.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.