Home / 189,145.32-283,727.70-48,905.16

Finding the Fourth Proportional to 189,145.32, 283,727.70 and 48,905.16

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Solution

The fourth proportional to 189,145.32, 283,727.70 and 48,905.16 is: 73,360.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,145.32 : 283,727.70 = 48,905.16 : x
  2. Step 2: Convert to fraction form
    189,145.32/283,727.70 = 48,905.16/x
  3. Step 3: Cross multiply
    189,145.32x = 283,727.70 × 48,905.16
  4. Step 4: Simplify right side
    189,145.32x = 13,875,748,564.93
  5. Step 5: Solve for x
    x = 13,875,748,564.93/189,145.32
  6. Step 6: Final answer
    x = 73,360.25

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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.