Home / 130,047.12-179,465.22-73,458.63

Finding the Fourth Proportional to 130,047.12, 179,465.22 and 73,458.63

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Solution

The fourth proportional to 130,047.12, 179,465.22 and 73,458.63 is: 101,373.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,047.12 : 179,465.22 = 73,458.63 : x
  2. Step 2: Convert to fraction form
    130,047.12/179,465.22 = 73,458.63/x
  3. Step 3: Cross multiply
    130,047.12x = 179,465.22 × 73,458.63
  4. Step 4: Simplify right side
    130,047.12x = 13,183,269,193.85
  5. Step 5: Solve for x
    x = 13,183,269,193.85/130,047.12
  6. Step 6: Final answer
    x = 101,373.02

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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.