Home / 140,570.16-193,973.04-80,136

Finding the Fourth Proportional to 140,570.16, 193,973.04 and 80,136

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Solution

The fourth proportional to 140,570.16, 193,973.04 and 80,136 is: 110,579.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,570.16 : 193,973.04 = 80,136 : x
  2. Step 2: Convert to fraction form
    140,570.16/193,973.04 = 80,136/x
  3. Step 3: Cross multiply
    140,570.16x = 193,973.04 × 80,136
  4. Step 4: Simplify right side
    140,570.16x = 15,544,223,533.44
  5. Step 5: Solve for x
    x = 15,544,223,533.44/140,570.16
  6. Step 6: Final answer
    x = 110,579.82

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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.