Home / 161,128.32-222,345.96-97,501.20

Finding the Fourth Proportional to 161,128.32, 222,345.96 and 97,501.20

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Solution

The fourth proportional to 161,128.32, 222,345.96 and 97,501.20 is: 134,544.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,128.32 : 222,345.96 = 97,501.20 : x
  2. Step 2: Convert to fraction form
    161,128.32/222,345.96 = 97,501.20/x
  3. Step 3: Cross multiply
    161,128.32x = 222,345.96 × 97,501.20
  4. Step 4: Simplify right side
    161,128.32x = 21,678,997,915.15
  5. Step 5: Solve for x
    x = 21,678,997,915.15/161,128.32
  6. Step 6: Final answer
    x = 134,544.93

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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.