Home / 163,813.45-245,720.18-97,219.30

Finding the Fourth Proportional to 163,813.45, 245,720.18 and 97,219.30

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Solution

The fourth proportional to 163,813.45, 245,720.18 and 97,219.30 is: 145,828.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,813.45 : 245,720.18 = 97,219.30 : x
  2. Step 2: Convert to fraction form
    163,813.45/245,720.18 = 97,219.30/x
  3. Step 3: Cross multiply
    163,813.45x = 245,720.18 × 97,219.30
  4. Step 4: Simplify right side
    163,813.45x = 23,888,743,895.47
  5. Step 5: Solve for x
    x = 23,888,743,895.47/163,813.45
  6. Step 6: Final answer
    x = 145,828.95

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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.