Home / 99,688.24-137,492.01-63,881.58

Finding the Fourth Proportional to 99,688.24, 137,492.01 and 63,881.58

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Solution

The fourth proportional to 99,688.24, 137,492.01 and 63,881.58 is: 88,106.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,688.24 : 137,492.01 = 63,881.58 : x
  2. Step 2: Convert to fraction form
    99,688.24/137,492.01 = 63,881.58/x
  3. Step 3: Cross multiply
    99,688.24x = 137,492.01 × 63,881.58
  4. Step 4: Simplify right side
    99,688.24x = 8,783,206,836.18
  5. Step 5: Solve for x
    x = 8,783,206,836.18/99,688.24
  6. Step 6: Final answer
    x = 88,106.75

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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.