Home / 209,501.96-314,379.05-76,393.58

Finding the Fourth Proportional to 209,501.96, 314,379.05 and 76,393.58

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Solution

The fourth proportional to 209,501.96, 314,379.05 and 76,393.58 is: 114,636.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,501.96 : 314,379.05 = 76,393.58 : x
  2. Step 2: Convert to fraction form
    209,501.96/314,379.05 = 76,393.58/x
  3. Step 3: Cross multiply
    209,501.96x = 314,379.05 × 76,393.58
  4. Step 4: Simplify right side
    209,501.96x = 24,016,539,152.64
  5. Step 5: Solve for x
    x = 24,016,539,152.64/209,501.96
  6. Step 6: Final answer
    x = 114,636.35

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1.5x scale

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.