Home / 142,037.73-196,111.14-88,346.88

Finding the Fourth Proportional to 142,037.73, 196,111.14 and 88,346.88

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Solution

The fourth proportional to 142,037.73, 196,111.14 and 88,346.88 is: 121,980.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,037.73 : 196,111.14 = 88,346.88 : x
  2. Step 2: Convert to fraction form
    142,037.73/196,111.14 = 88,346.88/x
  3. Step 3: Cross multiply
    142,037.73x = 196,111.14 × 88,346.88
  4. Step 4: Simplify right side
    142,037.73x = 17,325,807,352.24
  5. Step 5: Solve for x
    x = 17,325,807,352.24/142,037.73
  6. Step 6: Final answer
    x = 121,980.32

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1.5x scale

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.