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Finding the Fourth Proportional to 160,162.40, 221,028.72 and 88,547.03

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Solution

The fourth proportional to 160,162.40, 221,028.72 and 88,547.03 is: 122,197.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,162.40 : 221,028.72 = 88,547.03 : x
  2. Step 2: Convert to fraction form
    160,162.40/221,028.72 = 88,547.03/x
  3. Step 3: Cross multiply
    160,162.40x = 221,028.72 × 88,547.03
  4. Step 4: Simplify right side
    160,162.40x = 19,571,435,705.39
  5. Step 5: Solve for x
    x = 19,571,435,705.39/160,162.40
  6. Step 6: Final answer
    x = 122,197.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.