Home / 98,094.54-135,112.65-75,390.12

Finding the Fourth Proportional to 98,094.54, 135,112.65 and 75,390.12

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Solution

The fourth proportional to 98,094.54, 135,112.65 and 75,390.12 is: 103,840.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,094.54 : 135,112.65 = 75,390.12 : x
  2. Step 2: Convert to fraction form
    98,094.54/135,112.65 = 75,390.12/x
  3. Step 3: Cross multiply
    98,094.54x = 135,112.65 × 75,390.12
  4. Step 4: Simplify right side
    98,094.54x = 10,186,158,897.02
  5. Step 5: Solve for x
    x = 10,186,158,897.02/98,094.54
  6. Step 6: Final answer
    x = 103,840.22

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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.