Home / 142,210.36-196,288.14-88,464.88

Finding the Fourth Proportional to 142,210.36, 196,288.14 and 88,464.88

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Solution

The fourth proportional to 142,210.36, 196,288.14 and 88,464.88 is: 122,105.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,210.36 : 196,288.14 = 88,464.88 : x
  2. Step 2: Convert to fraction form
    142,210.36/196,288.14 = 88,464.88/x
  3. Step 3: Cross multiply
    142,210.36x = 196,288.14 × 88,464.88
  4. Step 4: Simplify right side
    142,210.36x = 17,364,606,750.52
  5. Step 5: Solve for x
    x = 17,364,606,750.52/142,210.36
  6. Step 6: Final answer
    x = 122,105.08

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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.