Home / 160,971.86-222,096.15-100,603.82

Finding the Fourth Proportional to 160,971.86, 222,096.15 and 100,603.82

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Solution

The fourth proportional to 160,971.86, 222,096.15 and 100,603.82 is: 138,805.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,971.86 : 222,096.15 = 100,603.82 : x
  2. Step 2: Convert to fraction form
    160,971.86/222,096.15 = 100,603.82/x
  3. Step 3: Cross multiply
    160,971.86x = 222,096.15 × 100,603.82
  4. Step 4: Simplify right side
    160,971.86x = 22,343,721,652.53
  5. Step 5: Solve for x
    x = 22,343,721,652.53/160,971.86
  6. Step 6: Final answer
    x = 138,805.14

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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.