Home / 155,009.86-213,936.93-94,615.58

Finding the Fourth Proportional to 155,009.86, 213,936.93 and 94,615.58

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Solution

The fourth proportional to 155,009.86, 213,936.93 and 94,615.58 is: 130,583.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,009.86 : 213,936.93 = 94,615.58 : x
  2. Step 2: Convert to fraction form
    155,009.86/213,936.93 = 94,615.58/x
  3. Step 3: Cross multiply
    155,009.86x = 213,936.93 × 94,615.58
  4. Step 4: Simplify right side
    155,009.86x = 20,241,767,250.21
  5. Step 5: Solve for x
    x = 20,241,767,250.21/155,009.86
  6. Step 6: Final answer
    x = 130,583.74

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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.