Home / 142,259.40-213,194.70-94,739.40

Finding the Fourth Proportional to 142,259.40, 213,194.70 and 94,739.40

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Solution

The fourth proportional to 142,259.40, 213,194.70 and 94,739.40 is: 141,979.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,259.40 : 213,194.70 = 94,739.40 : x
  2. Step 2: Convert to fraction form
    142,259.40/213,194.70 = 94,739.40/x
  3. Step 3: Cross multiply
    142,259.40x = 213,194.70 × 94,739.40
  4. Step 4: Simplify right side
    142,259.40x = 20,197,937,961.18
  5. Step 5: Solve for x
    x = 20,197,937,961.18/142,259.40
  6. Step 6: Final answer
    x = 141,979.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.