Home / 145,979.78-201,484.35-94,903.61

Finding the Fourth Proportional to 145,979.78, 201,484.35 and 94,903.61

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Solution

The fourth proportional to 145,979.78, 201,484.35 and 94,903.61 is: 130,987.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,979.78 : 201,484.35 = 94,903.61 : x
  2. Step 2: Convert to fraction form
    145,979.78/201,484.35 = 94,903.61/x
  3. Step 3: Cross multiply
    145,979.78x = 201,484.35 × 94,903.61
  4. Step 4: Simplify right side
    145,979.78x = 19,121,591,698.99
  5. Step 5: Solve for x
    x = 19,121,591,698.99/145,979.78
  6. Step 6: Final answer
    x = 130,987.95

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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.