Home / 163,971.54-245,973.56-45,642.84

Finding the Fourth Proportional to 163,971.54, 245,973.56 and 45,642.84

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Solution

The fourth proportional to 163,971.54, 245,973.56 and 45,642.84 is: 68,468.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,971.54 : 245,973.56 = 45,642.84 : x
  2. Step 2: Convert to fraction form
    163,971.54/245,973.56 = 45,642.84/x
  3. Step 3: Cross multiply
    163,971.54x = 245,973.56 × 45,642.84
  4. Step 4: Simplify right side
    163,971.54x = 11,226,932,333.04
  5. Step 5: Solve for x
    x = 11,226,932,333.04/163,971.54
  6. Step 6: Final answer
    x = 68,468.79

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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.