Home / 109,688.28-164,498.40-39,558.48

Finding the Fourth Proportional to 109,688.28, 164,498.40 and 39,558.48

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Solution

The fourth proportional to 109,688.28, 164,498.40 and 39,558.48 is: 59,325.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,688.28 : 164,498.40 = 39,558.48 : x
  2. Step 2: Convert to fraction form
    109,688.28/164,498.40 = 39,558.48/x
  3. Step 3: Cross multiply
    109,688.28x = 164,498.40 × 39,558.48
  4. Step 4: Simplify right side
    109,688.28x = 6,507,306,666.43
  5. Step 5: Solve for x
    x = 6,507,306,666.43/109,688.28
  6. Step 6: Final answer
    x = 59,325.45

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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.