Home / 150,726.40-208,006.56-97,115.20

Finding the Fourth Proportional to 150,726.40, 208,006.56 and 97,115.20

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Solution

The fourth proportional to 150,726.40, 208,006.56 and 97,115.20 is: 134,021.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,726.40 : 208,006.56 = 97,115.20 : x
  2. Step 2: Convert to fraction form
    150,726.40/208,006.56 = 97,115.20/x
  3. Step 3: Cross multiply
    150,726.40x = 208,006.56 × 97,115.20
  4. Step 4: Simplify right side
    150,726.40x = 20,200,598,675.71
  5. Step 5: Solve for x
    x = 20,200,598,675.71/150,726.40
  6. Step 6: Final answer
    x = 134,021.64

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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.