Home / 159,563.66-220,199.38-87,946.43

Finding the Fourth Proportional to 159,563.66, 220,199.38 and 87,946.43

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Solution

The fourth proportional to 159,563.66, 220,199.38 and 87,946.43 is: 121,366.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,563.66 : 220,199.38 = 87,946.43 : x
  2. Step 2: Convert to fraction form
    159,563.66/220,199.38 = 87,946.43/x
  3. Step 3: Cross multiply
    159,563.66x = 220,199.38 × 87,946.43
  4. Step 4: Simplify right side
    159,563.66x = 19,365,748,038.35
  5. Step 5: Solve for x
    x = 19,365,748,038.35/159,563.66
  6. Step 6: Final answer
    x = 121,366.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.