Home / 210,002.76-313,665.51-189,981.48

Finding the Fourth Proportional to 210,002.76, 313,665.51 and 189,981.48

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Solution

The fourth proportional to 210,002.76, 313,665.51 and 189,981.48 is: 283,761.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,002.76 : 313,665.51 = 189,981.48 : x
  2. Step 2: Convert to fraction form
    210,002.76/313,665.51 = 189,981.48/x
  3. Step 3: Cross multiply
    210,002.76x = 313,665.51 × 189,981.48
  4. Step 4: Simplify right side
    210,002.76x = 59,590,637,814.75
  5. Step 5: Solve for x
    x = 59,590,637,814.75/210,002.76
  6. Step 6: Final answer
    x = 283,761.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.