Home / 153,607.44-211,982.76-89,939.28

Finding the Fourth Proportional to 153,607.44, 211,982.76 and 89,939.28

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Solution

The fourth proportional to 153,607.44, 211,982.76 and 89,939.28 is: 124,118.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,607.44 : 211,982.76 = 89,939.28 : x
  2. Step 2: Convert to fraction form
    153,607.44/211,982.76 = 89,939.28/x
  3. Step 3: Cross multiply
    153,607.44x = 211,982.76 × 89,939.28
  4. Step 4: Simplify right side
    153,607.44x = 19,065,576,806.81
  5. Step 5: Solve for x
    x = 19,065,576,806.81/153,607.44
  6. Step 6: Final answer
    x = 124,118.84

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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.