Home / 169,919.77-234,495.18-93,442

Finding the Fourth Proportional to 169,919.77, 234,495.18 and 93,442

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Solution

The fourth proportional to 169,919.77, 234,495.18 and 93,442 is: 128,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,919.77 : 234,495.18 = 93,442 : x
  2. Step 2: Convert to fraction form
    169,919.77/234,495.18 = 93,442/x
  3. Step 3: Cross multiply
    169,919.77x = 234,495.18 × 93,442
  4. Step 4: Simplify right side
    169,919.77x = 21,911,698,609.56
  5. Step 5: Solve for x
    x = 21,911,698,609.56/169,919.77
  6. Step 6: Final answer
    x = 128,953.20

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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.