Home / 210,186.94-315,271.58-97,828.51

Finding the Fourth Proportional to 210,186.94, 315,271.58 and 97,828.51

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Solution

The fourth proportional to 210,186.94, 315,271.58 and 97,828.51 is: 146,738.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,186.94 : 315,271.58 = 97,828.51 : x
  2. Step 2: Convert to fraction form
    210,186.94/315,271.58 = 97,828.51/x
  3. Step 3: Cross multiply
    210,186.94x = 315,271.58 × 97,828.51
  4. Step 4: Simplify right side
    210,186.94x = 30,842,547,340.39
  5. Step 5: Solve for x
    x = 30,842,547,340.39/210,186.94
  6. Step 6: Final answer
    x = 146,738.65

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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.