Home / 163,811.46-245,776.32-57,211.11

Finding the Fourth Proportional to 163,811.46, 245,776.32 and 57,211.11

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Solution

The fourth proportional to 163,811.46, 245,776.32 and 57,211.11 is: 85,837.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,811.46 : 245,776.32 = 57,211.11 : x
  2. Step 2: Convert to fraction form
    163,811.46/245,776.32 = 57,211.11/x
  3. Step 3: Cross multiply
    163,811.46x = 245,776.32 × 57,211.11
  4. Step 4: Simplify right side
    163,811.46x = 14,061,136,078.92
  5. Step 5: Solve for x
    x = 14,061,136,078.92/163,811.46
  6. Step 6: Final answer
    x = 85,837.32

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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.