Home / 109,989.03-151,784.10-59,688.03

Finding the Fourth Proportional to 109,989.03, 151,784.10 and 59,688.03

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Solution

The fourth proportional to 109,989.03, 151,784.10 and 59,688.03 is: 82,369.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,989.03 : 151,784.10 = 59,688.03 : x
  2. Step 2: Convert to fraction form
    109,989.03/151,784.10 = 59,688.03/x
  3. Step 3: Cross multiply
    109,989.03x = 151,784.10 × 59,688.03
  4. Step 4: Simplify right side
    109,989.03x = 9,059,693,914.32
  5. Step 5: Solve for x
    x = 9,059,693,914.32/109,989.03
  6. Step 6: Final answer
    x = 82,369.07

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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.