Home / 175,770.60-242,578.36-99,303.72

Finding the Fourth Proportional to 175,770.60, 242,578.36 and 99,303.72

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Solution

The fourth proportional to 175,770.60, 242,578.36 and 99,303.72 is: 137,047.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,770.60 : 242,578.36 = 99,303.72 : x
  2. Step 2: Convert to fraction form
    175,770.60/242,578.36 = 99,303.72/x
  3. Step 3: Cross multiply
    175,770.60x = 242,578.36 × 99,303.72
  4. Step 4: Simplify right side
    175,770.60x = 24,088,933,539.50
  5. Step 5: Solve for x
    x = 24,088,933,539.50/175,770.60
  6. Step 6: Final answer
    x = 137,047.57

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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.