Home / 109,967.24-164,967.10-39,830.20

Finding the Fourth Proportional to 109,967.24, 164,967.10 and 39,830.20

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Solution

The fourth proportional to 109,967.24, 164,967.10 and 39,830.20 is: 59,751.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,967.24 : 164,967.10 = 39,830.20 : x
  2. Step 2: Convert to fraction form
    109,967.24/164,967.10 = 39,830.20/x
  3. Step 3: Cross multiply
    109,967.24x = 164,967.10 × 39,830.20
  4. Step 4: Simplify right side
    109,967.24x = 6,570,672,586.42
  5. Step 5: Solve for x
    x = 6,570,672,586.42/109,967.24
  6. Step 6: Final answer
    x = 59,751.18

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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.