Home / 109,430.20-164,582.70-98,057.80

Finding the Fourth Proportional to 109,430.20, 164,582.70 and 98,057.80

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Solution

The fourth proportional to 109,430.20, 164,582.70 and 98,057.80 is: 147,478.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,430.20 : 164,582.70 = 98,057.80 : x
  2. Step 2: Convert to fraction form
    109,430.20/164,582.70 = 98,057.80/x
  3. Step 3: Cross multiply
    109,430.20x = 164,582.70 × 98,057.80
  4. Step 4: Simplify right side
    109,430.20x = 16,138,617,480.06
  5. Step 5: Solve for x
    x = 16,138,617,480.06/109,430.20
  6. Step 6: Final answer
    x = 147,478.64

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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.