Home / 163,904.37-245,898.80-89,005.29

Finding the Fourth Proportional to 163,904.37, 245,898.80 and 89,005.29

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Solution

The fourth proportional to 163,904.37, 245,898.80 and 89,005.29 is: 133,530.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,904.37 : 245,898.80 = 89,005.29 : x
  2. Step 2: Convert to fraction form
    163,904.37/245,898.80 = 89,005.29/x
  3. Step 3: Cross multiply
    163,904.37x = 245,898.80 × 89,005.29
  4. Step 4: Simplify right side
    163,904.37x = 21,886,294,004.65
  5. Step 5: Solve for x
    x = 21,886,294,004.65/163,904.37
  6. Step 6: Final answer
    x = 133,530.88

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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.