Home / 210,129.19-315,195.93-60,369.10

Finding the Fourth Proportional to 210,129.19, 315,195.93 and 60,369.10

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Solution

The fourth proportional to 210,129.19, 315,195.93 and 60,369.10 is: 90,554.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,129.19 : 315,195.93 = 60,369.10 : x
  2. Step 2: Convert to fraction form
    210,129.19/315,195.93 = 60,369.10/x
  3. Step 3: Cross multiply
    210,129.19x = 315,195.93 × 60,369.10
  4. Step 4: Simplify right side
    210,129.19x = 19,028,094,617.76
  5. Step 5: Solve for x
    x = 19,028,094,617.76/210,129.19
  6. Step 6: Final answer
    x = 90,554.27

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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.