Home / 130,390.62-195,602.40-36,896.40

Finding the Fourth Proportional to 130,390.62, 195,602.40 and 36,896.40

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Solution

The fourth proportional to 130,390.62, 195,602.40 and 36,896.40 is: 55,349.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,390.62 : 195,602.40 = 36,896.40 : x
  2. Step 2: Convert to fraction form
    130,390.62/195,602.40 = 36,896.40/x
  3. Step 3: Cross multiply
    130,390.62x = 195,602.40 × 36,896.40
  4. Step 4: Simplify right side
    130,390.62x = 7,217,024,391.36
  5. Step 5: Solve for x
    x = 7,217,024,391.36/130,390.62
  6. Step 6: Final answer
    x = 55,349.26

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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.