Home / 109,718.08-151,412-59,418.08

Finding the Fourth Proportional to 109,718.08, 151,412 and 59,418.08

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Solution

The fourth proportional to 109,718.08, 151,412 and 59,418.08 is: 81,997.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,718.08 : 151,412 = 59,418.08 : x
  2. Step 2: Convert to fraction form
    109,718.08/151,412 = 59,418.08/x
  3. Step 3: Cross multiply
    109,718.08x = 151,412 × 59,418.08
  4. Step 4: Simplify right side
    109,718.08x = 8,996,610,328.96
  5. Step 5: Solve for x
    x = 8,996,610,328.96/109,718.08
  6. Step 6: Final answer
    x = 81,997.52

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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.