Home / 189,285.24-261,212.40-104,400.48

Finding the Fourth Proportional to 189,285.24, 261,212.40 and 104,400.48

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Solution

The fourth proportional to 189,285.24, 261,212.40 and 104,400.48 is: 144,071.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,285.24 : 261,212.40 = 104,400.48 : x
  2. Step 2: Convert to fraction form
    189,285.24/261,212.40 = 104,400.48/x
  3. Step 3: Cross multiply
    189,285.24x = 261,212.40 × 104,400.48
  4. Step 4: Simplify right side
    189,285.24x = 27,270,699,941.95
  5. Step 5: Solve for x
    x = 27,270,699,941.95/189,285.24
  6. Step 6: Final answer
    x = 144,071.98

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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.