Home / 127,513.76-175,975.62-70,925

Finding the Fourth Proportional to 127,513.76, 175,975.62 and 70,925

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Solution

The fourth proportional to 127,513.76, 175,975.62 and 70,925 is: 97,880.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,513.76 : 175,975.62 = 70,925 : x
  2. Step 2: Convert to fraction form
    127,513.76/175,975.62 = 70,925/x
  3. Step 3: Cross multiply
    127,513.76x = 175,975.62 × 70,925
  4. Step 4: Simplify right side
    127,513.76x = 12,481,070,848.50
  5. Step 5: Solve for x
    x = 12,481,070,848.50/127,513.76
  6. Step 6: Final answer
    x = 97,880.19

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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.