Home / 163,387.13-245,080.69-52,579.13

Finding the Fourth Proportional to 163,387.13, 245,080.69 and 52,579.13

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Solution

The fourth proportional to 163,387.13, 245,080.69 and 52,579.13 is: 78,868.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,387.13 : 245,080.69 = 52,579.13 : x
  2. Step 2: Convert to fraction form
    163,387.13/245,080.69 = 52,579.13/x
  3. Step 3: Cross multiply
    163,387.13x = 245,080.69 × 52,579.13
  4. Step 4: Simplify right side
    163,387.13x = 12,886,128,103.15
  5. Step 5: Solve for x
    x = 12,886,128,103.15/163,387.13
  6. Step 6: Final answer
    x = 78,868.69

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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.