Home / 208,924.36-313,401.66-103,637.32

Finding the Fourth Proportional to 208,924.36, 313,401.66 and 103,637.32

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Solution

The fourth proportional to 208,924.36, 313,401.66 and 103,637.32 is: 155,463.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,924.36 : 313,401.66 = 103,637.32 : x
  2. Step 2: Convert to fraction form
    208,924.36/313,401.66 = 103,637.32/x
  3. Step 3: Cross multiply
    208,924.36x = 313,401.66 × 103,637.32
  4. Step 4: Simplify right side
    208,924.36x = 32,480,108,125.95
  5. Step 5: Solve for x
    x = 32,480,108,125.95/208,924.36
  6. Step 6: Final answer
    x = 155,463.48

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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.