Home / 163,428.50-245,156.85-45,099.83

Finding the Fourth Proportional to 163,428.50, 245,156.85 and 45,099.83

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Solution

The fourth proportional to 163,428.50, 245,156.85 and 45,099.83 is: 67,653.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,428.50 : 245,156.85 = 45,099.83 : x
  2. Step 2: Convert to fraction form
    163,428.50/245,156.85 = 45,099.83/x
  3. Step 3: Cross multiply
    163,428.50x = 245,156.85 × 45,099.83
  4. Step 4: Simplify right side
    163,428.50x = 11,056,531,032.55
  5. Step 5: Solve for x
    x = 11,056,531,032.55/163,428.50
  6. Step 6: Final answer
    x = 67,653.63

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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.