Home / 142,930.27-214,351.51-98,840.35

Finding the Fourth Proportional to 142,930.27, 214,351.51 and 98,840.35

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Solution

The fourth proportional to 142,930.27, 214,351.51 and 98,840.35 is: 148,230.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,930.27 : 214,351.51 = 98,840.35 : x
  2. Step 2: Convert to fraction form
    142,930.27/214,351.51 = 98,840.35/x
  3. Step 3: Cross multiply
    142,930.27x = 214,351.51 × 98,840.35
  4. Step 4: Simplify right side
    142,930.27x = 21,186,578,271.43
  5. Step 5: Solve for x
    x = 21,186,578,271.43/142,930.27
  6. Step 6: Final answer
    x = 148,230.17

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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.