Home / 117,023.86-161,452.81-66,030.31

Finding the Fourth Proportional to 117,023.86, 161,452.81 and 66,030.31

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Solution

The fourth proportional to 117,023.86, 161,452.81 and 66,030.31 is: 91,099.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,023.86 : 161,452.81 = 66,030.31 : x
  2. Step 2: Convert to fraction form
    117,023.86/161,452.81 = 66,030.31/x
  3. Step 3: Cross multiply
    117,023.86x = 161,452.81 × 66,030.31
  4. Step 4: Simplify right side
    117,023.86x = 10,660,779,094.67
  5. Step 5: Solve for x
    x = 10,660,779,094.67/117,023.86
  6. Step 6: Final answer
    x = 91,099.19

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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.