Home / 209,637.32-314,507.82-69,410.12

Finding the Fourth Proportional to 209,637.32, 314,507.82 and 69,410.12

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Solution

The fourth proportional to 209,637.32, 314,507.82 and 69,410.12 is: 104,132.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,637.32 : 314,507.82 = 69,410.12 : x
  2. Step 2: Convert to fraction form
    209,637.32/314,507.82 = 69,410.12/x
  3. Step 3: Cross multiply
    209,637.32x = 314,507.82 × 69,410.12
  4. Step 4: Simplify right side
    209,637.32x = 21,830,025,527.14
  5. Step 5: Solve for x
    x = 21,830,025,527.14/209,637.32
  6. Step 6: Final answer
    x = 104,132.34

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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.