Home / 189,061.74-260,903.04-107,389.44

Finding the Fourth Proportional to 189,061.74, 260,903.04 and 107,389.44

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Solution

The fourth proportional to 189,061.74, 260,903.04 and 107,389.44 is: 148,196.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,061.74 : 260,903.04 = 107,389.44 : x
  2. Step 2: Convert to fraction form
    189,061.74/260,903.04 = 107,389.44/x
  3. Step 3: Cross multiply
    189,061.74x = 260,903.04 × 107,389.44
  4. Step 4: Simplify right side
    189,061.74x = 28,018,231,359.90
  5. Step 5: Solve for x
    x = 28,018,231,359.90/189,061.74
  6. Step 6: Final answer
    x = 148,196.20

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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.