Home / 130,203.74-195,305.04-55,312.40

Finding the Fourth Proportional to 130,203.74, 195,305.04 and 55,312.40

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Solution

The fourth proportional to 130,203.74, 195,305.04 and 55,312.40 is: 82,968.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,203.74 : 195,305.04 = 55,312.40 : x
  2. Step 2: Convert to fraction form
    130,203.74/195,305.04 = 55,312.40/x
  3. Step 3: Cross multiply
    130,203.74x = 195,305.04 × 55,312.40
  4. Step 4: Simplify right side
    130,203.74x = 10,802,790,494.50
  5. Step 5: Solve for x
    x = 10,802,790,494.50/130,203.74
  6. Step 6: Final answer
    x = 82,968.36

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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.