Home / 130,243.38-179,730.93-73,655.97

Finding the Fourth Proportional to 130,243.38, 179,730.93 and 73,655.97

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Solution

The fourth proportional to 130,243.38, 179,730.93 and 73,655.97 is: 101,642.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,243.38 : 179,730.93 = 73,655.97 : x
  2. Step 2: Convert to fraction form
    130,243.38/179,730.93 = 73,655.97/x
  3. Step 3: Cross multiply
    130,243.38x = 179,730.93 × 73,655.97
  4. Step 4: Simplify right side
    130,243.38x = 13,238,255,590.37
  5. Step 5: Solve for x
    x = 13,238,255,590.37/130,243.38
  6. Step 6: Final answer
    x = 101,642.45

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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.