Home / 161,913.36-242,883-49,602.48

Finding the Fourth Proportional to 161,913.36, 242,883 and 49,602.48

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Solution

The fourth proportional to 161,913.36, 242,883 and 49,602.48 is: 74,407.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,913.36 : 242,883 = 49,602.48 : x
  2. Step 2: Convert to fraction form
    161,913.36/242,883 = 49,602.48/x
  3. Step 3: Cross multiply
    161,913.36x = 242,883 × 49,602.48
  4. Step 4: Simplify right side
    161,913.36x = 12,047,599,149.84
  5. Step 5: Solve for x
    x = 12,047,599,149.84/161,913.36
  6. Step 6: Final answer
    x = 74,407.69

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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.