Home / 142,037.33-196,010.96-77,506.01

Finding the Fourth Proportional to 142,037.33, 196,010.96 and 77,506.01

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Solution

The fourth proportional to 142,037.33, 196,010.96 and 77,506.01 is: 106,957.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,037.33 : 196,010.96 = 77,506.01 : x
  2. Step 2: Convert to fraction form
    142,037.33/196,010.96 = 77,506.01/x
  3. Step 3: Cross multiply
    142,037.33x = 196,010.96 × 77,506.01
  4. Step 4: Simplify right side
    142,037.33x = 15,192,026,058.28
  5. Step 5: Solve for x
    x = 15,192,026,058.28/142,037.33
  6. Step 6: Final answer
    x = 106,957.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.