Home / 163,816.10-225,979.52-112,740.16

Finding the Fourth Proportional to 163,816.10, 225,979.52 and 112,740.16

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Solution

The fourth proportional to 163,816.10, 225,979.52 and 112,740.16 is: 155,521.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,816.10 : 225,979.52 = 112,740.16 : x
  2. Step 2: Convert to fraction form
    163,816.10/225,979.52 = 112,740.16/x
  3. Step 3: Cross multiply
    163,816.10x = 225,979.52 × 112,740.16
  4. Step 4: Simplify right side
    163,816.10x = 25,476,967,592.07
  5. Step 5: Solve for x
    x = 25,476,967,592.07/163,816.10
  6. Step 6: Final answer
    x = 155,521.75

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1.5x scale

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.