Home / 163,860.18-245,788.15-89,454.34

Finding the Fourth Proportional to 163,860.18, 245,788.15 and 89,454.34

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Solution

The fourth proportional to 163,860.18, 245,788.15 and 89,454.34 is: 134,180.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,860.18 : 245,788.15 = 89,454.34 : x
  2. Step 2: Convert to fraction form
    163,860.18/245,788.15 = 89,454.34/x
  3. Step 3: Cross multiply
    163,860.18x = 245,788.15 × 89,454.34
  4. Step 4: Simplify right side
    163,860.18x = 21,986,816,738.07
  5. Step 5: Solve for x
    x = 21,986,816,738.07/163,860.18
  6. Step 6: Final answer
    x = 134,180.35

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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.