Home / 189,457.79-261,450.48-104,574.85

Finding the Fourth Proportional to 189,457.79, 261,450.48 and 104,574.85

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Solution

The fourth proportional to 189,457.79, 261,450.48 and 104,574.85 is: 144,312.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,457.79 : 261,450.48 = 104,574.85 : x
  2. Step 2: Convert to fraction form
    189,457.79/261,450.48 = 104,574.85/x
  3. Step 3: Cross multiply
    189,457.79x = 261,450.48 × 104,574.85
  4. Step 4: Simplify right side
    189,457.79x = 27,341,144,466.96
  5. Step 5: Solve for x
    x = 27,341,144,466.96/189,457.79
  6. Step 6: Final answer
    x = 144,312.59

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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.