Home / 109,289.60-163,697.10-53,011.44

Finding the Fourth Proportional to 109,289.60, 163,697.10 and 53,011.44

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Solution

The fourth proportional to 109,289.60, 163,697.10 and 53,011.44 is: 79,402.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,289.60 : 163,697.10 = 53,011.44 : x
  2. Step 2: Convert to fraction form
    109,289.60/163,697.10 = 53,011.44/x
  3. Step 3: Cross multiply
    109,289.60x = 163,697.10 × 53,011.44
  4. Step 4: Simplify right side
    109,289.60x = 8,677,818,633.82
  5. Step 5: Solve for x
    x = 8,677,818,633.82/109,289.60
  6. Step 6: Final answer
    x = 79,402.05

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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.