Home / 163,443.87-225,569.90-98,948.34

Finding the Fourth Proportional to 163,443.87, 225,569.90 and 98,948.34

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Solution

The fourth proportional to 163,443.87, 225,569.90 and 98,948.34 is: 136,559.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,443.87 : 225,569.90 = 98,948.34 : x
  2. Step 2: Convert to fraction form
    163,443.87/225,569.90 = 98,948.34/x
  3. Step 3: Cross multiply
    163,443.87x = 225,569.90 × 98,948.34
  4. Step 4: Simplify right side
    163,443.87x = 22,319,767,406.34
  5. Step 5: Solve for x
    x = 22,319,767,406.34/163,443.87
  6. Step 6: Final answer
    x = 136,559.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.