Home / 142,649.28-196,646.16-108,598.32

Finding the Fourth Proportional to 142,649.28, 196,646.16 and 108,598.32

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Solution

The fourth proportional to 142,649.28, 196,646.16 and 108,598.32 is: 149,705.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,649.28 : 196,646.16 = 108,598.32 : x
  2. Step 2: Convert to fraction form
    142,649.28/196,646.16 = 108,598.32/x
  3. Step 3: Cross multiply
    142,649.28x = 196,646.16 × 108,598.32
  4. Step 4: Simplify right side
    142,649.28x = 21,355,442,610.45
  5. Step 5: Solve for x
    x = 21,355,442,610.45/142,649.28
  6. Step 6: Final answer
    x = 149,705.93

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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.