Home / 130,079.16-179,512.74-73,489.32

Finding the Fourth Proportional to 130,079.16, 179,512.74 and 73,489.32

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Solution

The fourth proportional to 130,079.16, 179,512.74 and 73,489.32 is: 101,417.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,079.16 : 179,512.74 = 73,489.32 : x
  2. Step 2: Convert to fraction form
    130,079.16/179,512.74 = 73,489.32/x
  3. Step 3: Cross multiply
    130,079.16x = 179,512.74 × 73,489.32
  4. Step 4: Simplify right side
    130,079.16x = 13,192,269,193.94
  5. Step 5: Solve for x
    x = 13,192,269,193.94/130,079.16
  6. Step 6: Final answer
    x = 101,417.24

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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.