Home / 236,262.61-326,050.28-128,838.54

Finding the Fourth Proportional to 236,262.61, 326,050.28 and 128,838.54

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Solution

The fourth proportional to 236,262.61, 326,050.28 and 128,838.54 is: 177,801.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,262.61 : 326,050.28 = 128,838.54 : x
  2. Step 2: Convert to fraction form
    236,262.61/326,050.28 = 128,838.54/x
  3. Step 3: Cross multiply
    236,262.61x = 326,050.28 × 128,838.54
  4. Step 4: Simplify right side
    236,262.61x = 42,007,842,041.79
  5. Step 5: Solve for x
    x = 42,007,842,041.79/236,262.61
  6. Step 6: Final answer
    x = 177,801.48

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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.