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Finding the Fourth Proportional to 163,393.51, 245,300.15 and 125,977.35

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Solution

The fourth proportional to 163,393.51, 245,300.15 and 125,977.35 is: 189,127.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,393.51 : 245,300.15 = 125,977.35 : x
  2. Step 2: Convert to fraction form
    163,393.51/245,300.15 = 125,977.35/x
  3. Step 3: Cross multiply
    163,393.51x = 245,300.15 × 125,977.35
  4. Step 4: Simplify right side
    163,393.51x = 30,902,262,851.60
  5. Step 5: Solve for x
    x = 30,902,262,851.60/163,393.51
  6. Step 6: Final answer
    x = 189,127.85

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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.