Home / 163,916.60-245,841.30-45,558.20

Finding the Fourth Proportional to 163,916.60, 245,841.30 and 45,558.20

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Solution

The fourth proportional to 163,916.60, 245,841.30 and 45,558.20 is: 68,327.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,916.60 : 245,841.30 = 45,558.20 : x
  2. Step 2: Convert to fraction form
    163,916.60/245,841.30 = 45,558.20/x
  3. Step 3: Cross multiply
    163,916.60x = 245,841.30 × 45,558.20
  4. Step 4: Simplify right side
    163,916.60x = 11,200,087,113.66
  5. Step 5: Solve for x
    x = 11,200,087,113.66/163,916.60
  6. Step 6: Final answer
    x = 68,327.96

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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.