Home / 109,024.80-163,537.20-69,464.40

Finding the Fourth Proportional to 109,024.80, 163,537.20 and 69,464.40

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Solution

The fourth proportional to 109,024.80, 163,537.20 and 69,464.40 is: 104,196.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,024.80 : 163,537.20 = 69,464.40 : x
  2. Step 2: Convert to fraction form
    109,024.80/163,537.20 = 69,464.40/x
  3. Step 3: Cross multiply
    109,024.80x = 163,537.20 × 69,464.40
  4. Step 4: Simplify right side
    109,024.80x = 11,360,013,475.68
  5. Step 5: Solve for x
    x = 11,360,013,475.68/109,024.80
  6. Step 6: Final answer
    x = 104,196.60

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1.5x scale

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.