Home / 210,186.62-315,271.10-97,828.20

Finding the Fourth Proportional to 210,186.62, 315,271.10 and 97,828.20

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Solution

The fourth proportional to 210,186.62, 315,271.10 and 97,828.20 is: 146,738.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,186.62 : 315,271.10 = 97,828.20 : x
  2. Step 2: Convert to fraction form
    210,186.62/315,271.10 = 97,828.20/x
  3. Step 3: Cross multiply
    210,186.62x = 315,271.10 × 97,828.20
  4. Step 4: Simplify right side
    210,186.62x = 30,842,404,225.02
  5. Step 5: Solve for x
    x = 30,842,404,225.02/210,186.62
  6. Step 6: Final answer
    x = 146,738.19

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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.