Home / 159,128.96-238,526.04-121,607.60

Finding the Fourth Proportional to 159,128.96, 238,526.04 and 121,607.60

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Solution

The fourth proportional to 159,128.96, 238,526.04 and 121,607.60 is: 182,283.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,128.96 : 238,526.04 = 121,607.60 : x
  2. Step 2: Convert to fraction form
    159,128.96/238,526.04 = 121,607.60/x
  3. Step 3: Cross multiply
    159,128.96x = 238,526.04 × 121,607.60
  4. Step 4: Simplify right side
    159,128.96x = 29,006,579,261.90
  5. Step 5: Solve for x
    x = 29,006,579,261.90/159,128.96
  6. Step 6: Final answer
    x = 182,283.47

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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.