Home / 147,929.96-204,143.37-79,946.71

Finding the Fourth Proportional to 147,929.96, 204,143.37 and 79,946.71

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Solution

The fourth proportional to 147,929.96, 204,143.37 and 79,946.71 is: 110,326.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,929.96 : 204,143.37 = 79,946.71 : x
  2. Step 2: Convert to fraction form
    147,929.96/204,143.37 = 79,946.71/x
  3. Step 3: Cross multiply
    147,929.96x = 204,143.37 × 79,946.71
  4. Step 4: Simplify right side
    147,929.96x = 16,320,590,799.81
  5. Step 5: Solve for x
    x = 16,320,590,799.81/147,929.96
  6. Step 6: Final answer
    x = 110,326.47

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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.