Home / 142,024.37-196,064.65-88,326.68

Finding the Fourth Proportional to 142,024.37, 196,064.65 and 88,326.68

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Solution

The fourth proportional to 142,024.37, 196,064.65 and 88,326.68 is: 121,934.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,024.37 : 196,064.65 = 88,326.68 : x
  2. Step 2: Convert to fraction form
    142,024.37/196,064.65 = 88,326.68/x
  3. Step 3: Cross multiply
    142,024.37x = 196,064.65 × 88,326.68
  4. Step 4: Simplify right side
    142,024.37x = 17,317,739,869.21
  5. Step 5: Solve for x
    x = 17,317,739,869.21/142,024.37
  6. Step 6: Final answer
    x = 121,934.99

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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.