Home / 163,511.10-245,266.65-124,145.10

Finding the Fourth Proportional to 163,511.10, 245,266.65 and 124,145.10

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Solution

The fourth proportional to 163,511.10, 245,266.65 and 124,145.10 is: 186,217.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,511.10 : 245,266.65 = 124,145.10 : x
  2. Step 2: Convert to fraction form
    163,511.10/245,266.65 = 124,145.10/x
  3. Step 3: Cross multiply
    163,511.10x = 245,266.65 × 124,145.10
  4. Step 4: Simplify right side
    163,511.10x = 30,448,652,790.92
  5. Step 5: Solve for x
    x = 30,448,652,790.92/163,511.10
  6. Step 6: Final answer
    x = 186,217.65

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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.