Home / 199,899.20-299,848.80-52,155.20

Finding the Fourth Proportional to 199,899.20, 299,848.80 and 52,155.20

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Solution

The fourth proportional to 199,899.20, 299,848.80 and 52,155.20 is: 78,232.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,899.20 : 299,848.80 = 52,155.20 : x
  2. Step 2: Convert to fraction form
    199,899.20/299,848.80 = 52,155.20/x
  3. Step 3: Cross multiply
    199,899.20x = 299,848.80 × 52,155.20
  4. Step 4: Simplify right side
    199,899.20x = 15,638,674,133.76
  5. Step 5: Solve for x
    x = 15,638,674,133.76/199,899.20
  6. Step 6: Final answer
    x = 78,232.80

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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.