Home / 190,455.48-262,814.85-104,400.72

Finding the Fourth Proportional to 190,455.48, 262,814.85 and 104,400.72

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Solution

The fourth proportional to 190,455.48, 262,814.85 and 104,400.72 is: 144,065.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,455.48 : 262,814.85 = 104,400.72 : x
  2. Step 2: Convert to fraction form
    190,455.48/262,814.85 = 104,400.72/x
  3. Step 3: Cross multiply
    190,455.48x = 262,814.85 × 104,400.72
  4. Step 4: Simplify right side
    190,455.48x = 27,438,059,566.69
  5. Step 5: Solve for x
    x = 27,438,059,566.69/190,455.48
  6. Step 6: Final answer
    x = 144,065.48

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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.