Home / 147,095.80-220,416.90-109,479.40

Finding the Fourth Proportional to 147,095.80, 220,416.90 and 109,479.40

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Solution

The fourth proportional to 147,095.80, 220,416.90 and 109,479.40 is: 164,050.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,095.80 : 220,416.90 = 109,479.40 : x
  2. Step 2: Convert to fraction form
    147,095.80/220,416.90 = 109,479.40/x
  3. Step 3: Cross multiply
    147,095.80x = 220,416.90 × 109,479.40
  4. Step 4: Simplify right side
    147,095.80x = 24,131,109,961.86
  5. Step 5: Solve for x
    x = 24,131,109,961.86/147,095.80
  6. Step 6: Final answer
    x = 164,050.30

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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.