Home / 110,084.40-151,979.49-72,468

Finding the Fourth Proportional to 110,084.40, 151,979.49 and 72,468

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Solution

The fourth proportional to 110,084.40, 151,979.49 and 72,468 is: 100,047.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,084.40 : 151,979.49 = 72,468 : x
  2. Step 2: Convert to fraction form
    110,084.40/151,979.49 = 72,468/x
  3. Step 3: Cross multiply
    110,084.40x = 151,979.49 × 72,468
  4. Step 4: Simplify right side
    110,084.40x = 11,013,649,681.32
  5. Step 5: Solve for x
    x = 11,013,649,681.32/110,084.40
  6. Step 6: Final answer
    x = 100,047.32

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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.