Home / 209,495.34-314,052.39-76,345.25

Finding the Fourth Proportional to 209,495.34, 314,052.39 and 76,345.25

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Solution

The fourth proportional to 209,495.34, 314,052.39 and 76,345.25 is: 114,448.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,495.34 : 314,052.39 = 76,345.25 : x
  2. Step 2: Convert to fraction form
    209,495.34/314,052.39 = 76,345.25/x
  3. Step 3: Cross multiply
    209,495.34x = 314,052.39 × 76,345.25
  4. Step 4: Simplify right side
    209,495.34x = 23,976,406,657.39
  5. Step 5: Solve for x
    x = 23,976,406,657.39/209,495.34
  6. Step 6: Final answer
    x = 114,448.40

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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.