Home / 189,457.13-261,450.86-104,574.21

Finding the Fourth Proportional to 189,457.13, 261,450.86 and 104,574.21

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Solution

The fourth proportional to 189,457.13, 261,450.86 and 104,574.21 is: 144,312.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,457.13 : 261,450.86 = 104,574.21 : x
  2. Step 2: Convert to fraction form
    189,457.13/261,450.86 = 104,574.21/x
  3. Step 3: Cross multiply
    189,457.13x = 261,450.86 × 104,574.21
  4. Step 4: Simplify right side
    189,457.13x = 27,341,016,615.45
  5. Step 5: Solve for x
    x = 27,341,016,615.45/189,457.13
  6. Step 6: Final answer
    x = 144,312.42

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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.