Home / 127,271.70-190,907.55-97,838.10

Finding the Fourth Proportional to 127,271.70, 190,907.55 and 97,838.10

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Solution

The fourth proportional to 127,271.70, 190,907.55 and 97,838.10 is: 146,757.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,271.70 : 190,907.55 = 97,838.10 : x
  2. Step 2: Convert to fraction form
    127,271.70/190,907.55 = 97,838.10/x
  3. Step 3: Cross multiply
    127,271.70x = 190,907.55 × 97,838.10
  4. Step 4: Simplify right side
    127,271.70x = 18,678,031,967.66
  5. Step 5: Solve for x
    x = 18,678,031,967.66/127,271.70
  6. Step 6: Final answer
    x = 146,757.15

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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.