Home / 163,975.20-245,962.80-104,877.60

Finding the Fourth Proportional to 163,975.20, 245,962.80 and 104,877.60

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Solution

The fourth proportional to 163,975.20, 245,962.80 and 104,877.60 is: 157,316.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,975.20 : 245,962.80 = 104,877.60 : x
  2. Step 2: Convert to fraction form
    163,975.20/245,962.80 = 104,877.60/x
  3. Step 3: Cross multiply
    163,975.20x = 245,962.80 × 104,877.60
  4. Step 4: Simplify right side
    163,975.20x = 25,795,988,153.28
  5. Step 5: Solve for x
    x = 25,795,988,153.28/163,975.20
  6. Step 6: Final answer
    x = 157,316.40

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1.5x scale

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.