Home / 199,320.80-298,878.60-59,061.20

Finding the Fourth Proportional to 199,320.80, 298,878.60 and 59,061.20

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Solution

The fourth proportional to 199,320.80, 298,878.60 and 59,061.20 is: 88,561.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,320.80 : 298,878.60 = 59,061.20 : x
  2. Step 2: Convert to fraction form
    199,320.80/298,878.60 = 59,061.20/x
  3. Step 3: Cross multiply
    199,320.80x = 298,878.60 × 59,061.20
  4. Step 4: Simplify right side
    199,320.80x = 17,652,128,770.32
  5. Step 5: Solve for x
    x = 17,652,128,770.32/199,320.80
  6. Step 6: Final answer
    x = 88,561.40

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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.