Home / 130,757.04-180,396.06-79,752.12

Finding the Fourth Proportional to 130,757.04, 180,396.06 and 79,752.12

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Solution

The fourth proportional to 130,757.04, 180,396.06 and 79,752.12 is: 110,028.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,757.04 : 180,396.06 = 79,752.12 : x
  2. Step 2: Convert to fraction form
    130,757.04/180,396.06 = 79,752.12/x
  3. Step 3: Cross multiply
    130,757.04x = 180,396.06 × 79,752.12
  4. Step 4: Simplify right side
    130,757.04x = 14,386,968,224.65
  5. Step 5: Solve for x
    x = 14,386,968,224.65/130,757.04
  6. Step 6: Final answer
    x = 110,028.25

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1.5x scale

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.