Home / 163,629.47-245,366.20-57,000.31

Finding the Fourth Proportional to 163,629.47, 245,366.20 and 57,000.31

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Solution

The fourth proportional to 163,629.47, 245,366.20 and 57,000.31 is: 85,473.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,629.47 : 245,366.20 = 57,000.31 : x
  2. Step 2: Convert to fraction form
    163,629.47/245,366.20 = 57,000.31/x
  3. Step 3: Cross multiply
    163,629.47x = 245,366.20 × 57,000.31
  4. Step 4: Simplify right side
    163,629.47x = 13,985,949,980.92
  5. Step 5: Solve for x
    x = 13,985,949,980.92/163,629.47
  6. Step 6: Final answer
    x = 85,473.29

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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.