Home / 189,448.10-261,437.11-104,565.16

Finding the Fourth Proportional to 189,448.10, 261,437.11 and 104,565.16

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Solution

The fourth proportional to 189,448.10, 261,437.11 and 104,565.16 is: 144,299.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,448.10 : 261,437.11 = 104,565.16 : x
  2. Step 2: Convert to fraction form
    189,448.10/261,437.11 = 104,565.16/x
  3. Step 3: Cross multiply
    189,448.10x = 261,437.11 × 104,565.16
  4. Step 4: Simplify right side
    189,448.10x = 27,337,213,237.09
  5. Step 5: Solve for x
    x = 27,337,213,237.09/189,448.10
  6. Step 6: Final answer
    x = 144,299.22

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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.