Home / 130,021.76-179,433.58-73,433.13

Finding the Fourth Proportional to 130,021.76, 179,433.58 and 73,433.13

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Solution

The fourth proportional to 130,021.76, 179,433.58 and 73,433.13 is: 101,339.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,021.76 : 179,433.58 = 73,433.13 : x
  2. Step 2: Convert to fraction form
    130,021.76/179,433.58 = 73,433.13/x
  3. Step 3: Cross multiply
    130,021.76x = 179,433.58 × 73,433.13
  4. Step 4: Simplify right side
    130,021.76x = 13,176,369,406.51
  5. Step 5: Solve for x
    x = 13,176,369,406.51/130,021.76
  6. Step 6: Final answer
    x = 101,339.73

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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.