Home / 189,457.29-261,449.64-104,574.33

Finding the Fourth Proportional to 189,457.29, 261,449.64 and 104,574.33

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Solution

The fourth proportional to 189,457.29, 261,449.64 and 104,574.33 is: 144,311.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,457.29 : 261,449.64 = 104,574.33 : x
  2. Step 2: Convert to fraction form
    189,457.29/261,449.64 = 104,574.33/x
  3. Step 3: Cross multiply
    189,457.29x = 261,449.64 × 104,574.33
  4. Step 4: Simplify right side
    189,457.29x = 27,340,920,931.74
  5. Step 5: Solve for x
    x = 27,340,920,931.74/189,457.29
  6. Step 6: Final answer
    x = 144,311.79

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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.