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Finding the Fourth Proportional to 163,807, 245,596.48 and 72,572.88

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Solution

The fourth proportional to 163,807, 245,596.48 and 72,572.88 is: 108,808.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,807 : 245,596.48 = 72,572.88 : x
  2. Step 2: Convert to fraction form
    163,807/245,596.48 = 72,572.88/x
  3. Step 3: Cross multiply
    163,807x = 245,596.48 × 72,572.88
  4. Step 4: Simplify right side
    163,807x = 17,823,643,871.46
  5. Step 5: Solve for x
    x = 17,823,643,871.46/163,807
  6. Step 6: Final answer
    x = 108,808.80

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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.