Home / 148,352.72-204,730.44-87,913.55

Finding the Fourth Proportional to 148,352.72, 204,730.44 and 87,913.55

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Solution

The fourth proportional to 148,352.72, 204,730.44 and 87,913.55 is: 121,322.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,352.72 : 204,730.44 = 87,913.55 : x
  2. Step 2: Convert to fraction form
    148,352.72/204,730.44 = 87,913.55/x
  3. Step 3: Cross multiply
    148,352.72x = 204,730.44 × 87,913.55
  4. Step 4: Simplify right side
    148,352.72x = 17,998,579,955.61
  5. Step 5: Solve for x
    x = 17,998,579,955.61/148,352.72
  6. Step 6: Final answer
    x = 121,322.89

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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.