Home / 130,094.70-195,287.85-100,643.10

Finding the Fourth Proportional to 130,094.70, 195,287.85 and 100,643.10

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Solution

The fourth proportional to 130,094.70, 195,287.85 and 100,643.10 is: 151,077.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,094.70 : 195,287.85 = 100,643.10 : x
  2. Step 2: Convert to fraction form
    130,094.70/195,287.85 = 100,643.10/x
  3. Step 3: Cross multiply
    130,094.70x = 195,287.85 × 100,643.10
  4. Step 4: Simplify right side
    130,094.70x = 19,654,374,616.34
  5. Step 5: Solve for x
    x = 19,654,374,616.34/130,094.70
  6. Step 6: Final answer
    x = 151,077.44

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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.