Home / 236,749.74-355,124.60-86,925.20

Finding the Fourth Proportional to 236,749.74, 355,124.60 and 86,925.20

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Solution

The fourth proportional to 236,749.74, 355,124.60 and 86,925.20 is: 130,387.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,749.74 : 355,124.60 = 86,925.20 : x
  2. Step 2: Convert to fraction form
    236,749.74/355,124.60 = 86,925.20/x
  3. Step 3: Cross multiply
    236,749.74x = 355,124.60 × 86,925.20
  4. Step 4: Simplify right side
    236,749.74x = 30,869,276,879.92
  5. Step 5: Solve for x
    x = 30,869,276,879.92/236,749.74
  6. Step 6: Final answer
    x = 130,387.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.