Home / 142,783.73-214,186.22-42,935.93

Finding the Fourth Proportional to 142,783.73, 214,186.22 and 42,935.93

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Solution

The fourth proportional to 142,783.73, 214,186.22 and 42,935.93 is: 64,407.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,783.73 : 214,186.22 = 42,935.93 : x
  2. Step 2: Convert to fraction form
    142,783.73/214,186.22 = 42,935.93/x
  3. Step 3: Cross multiply
    142,783.73x = 214,186.22 × 42,935.93
  4. Step 4: Simplify right side
    142,783.73x = 9,196,284,334.20
  5. Step 5: Solve for x
    x = 9,196,284,334.20/142,783.73
  6. Step 6: Final answer
    x = 64,407.09

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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.