Home / 130,992.04-180,769.62-74,406.52

Finding the Fourth Proportional to 130,992.04, 180,769.62 and 74,406.52

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Solution

The fourth proportional to 130,992.04, 180,769.62 and 74,406.52 is: 102,681.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,992.04 : 180,769.62 = 74,406.52 : x
  2. Step 2: Convert to fraction form
    130,992.04/180,769.62 = 74,406.52/x
  3. Step 3: Cross multiply
    130,992.04x = 180,769.62 × 74,406.52
  4. Step 4: Simplify right side
    130,992.04x = 13,450,438,345.92
  5. Step 5: Solve for x
    x = 13,450,438,345.92/130,992.04
  6. Step 6: Final answer
    x = 102,681.34

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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.