Home / 210,013.36-313,681.38-189,992.18

Finding the Fourth Proportional to 210,013.36, 313,681.38 and 189,992.18

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Solution

The fourth proportional to 210,013.36, 313,681.38 and 189,992.18 is: 283,777.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,013.36 : 313,681.38 = 189,992.18 : x
  2. Step 2: Convert to fraction form
    210,013.36/313,681.38 = 189,992.18/x
  3. Step 3: Cross multiply
    210,013.36x = 313,681.38 × 189,992.18
  4. Step 4: Simplify right side
    210,013.36x = 59,597,009,283.34
  5. Step 5: Solve for x
    x = 59,597,009,283.34/210,013.36
  6. Step 6: Final answer
    x = 283,777.23

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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.