Home / 137,835.16-190,158.22-79,653.52

Finding the Fourth Proportional to 137,835.16, 190,158.22 and 79,653.52

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Solution

The fourth proportional to 137,835.16, 190,158.22 and 79,653.52 is: 109,890.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,835.16 : 190,158.22 = 79,653.52 : x
  2. Step 2: Convert to fraction form
    137,835.16/190,158.22 = 79,653.52/x
  3. Step 3: Cross multiply
    137,835.16x = 190,158.22 × 79,653.52
  4. Step 4: Simplify right side
    137,835.16x = 15,146,771,579.93
  5. Step 5: Solve for x
    x = 15,146,771,579.93/137,835.16
  6. Step 6: Final answer
    x = 109,890.48

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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.