Home / 100,897.40-151,346.10-30,767.60

Finding the Fourth Proportional to 100,897.40, 151,346.10 and 30,767.60

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Solution

The fourth proportional to 100,897.40, 151,346.10 and 30,767.60 is: 46,151.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,897.40 : 151,346.10 = 30,767.60 : x
  2. Step 2: Convert to fraction form
    100,897.40/151,346.10 = 30,767.60/x
  3. Step 3: Cross multiply
    100,897.40x = 151,346.10 × 30,767.60
  4. Step 4: Simplify right side
    100,897.40x = 4,656,556,266.36
  5. Step 5: Solve for x
    x = 4,656,556,266.36/100,897.40
  6. Step 6: Final answer
    x = 46,151.40

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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.