Home / 189,458.48-261,454.86-104,575.58

Finding the Fourth Proportional to 189,458.48, 261,454.86 and 104,575.58

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Solution

The fourth proportional to 189,458.48, 261,454.86 and 104,575.58 is: 144,315.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,458.48 : 261,454.86 = 104,575.58 : x
  2. Step 2: Convert to fraction form
    189,458.48/261,454.86 = 104,575.58/x
  3. Step 3: Cross multiply
    189,458.48x = 261,454.86 × 104,575.58
  4. Step 4: Simplify right side
    189,458.48x = 27,341,793,628.32
  5. Step 5: Solve for x
    x = 27,341,793,628.32/189,458.48
  6. Step 6: Final answer
    x = 144,315.49

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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.