Home / 130,024.02-195,258.36-80,397.34

Finding the Fourth Proportional to 130,024.02, 195,258.36 and 80,397.34

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Solution

The fourth proportional to 130,024.02, 195,258.36 and 80,397.34 is: 120,733.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,024.02 : 195,258.36 = 80,397.34 : x
  2. Step 2: Convert to fraction form
    130,024.02/195,258.36 = 80,397.34/x
  3. Step 3: Cross multiply
    130,024.02x = 195,258.36 × 80,397.34
  4. Step 4: Simplify right side
    130,024.02x = 15,698,252,756.76
  5. Step 5: Solve for x
    x = 15,698,252,756.76/130,024.02
  6. Step 6: Final answer
    x = 120,733.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.