Home / 199,995.04-300,075.36-87,617.20

Finding the Fourth Proportional to 199,995.04, 300,075.36 and 87,617.20

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Solution

The fourth proportional to 199,995.04, 300,075.36 and 87,617.20 is: 131,462.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,995.04 : 300,075.36 = 87,617.20 : x
  2. Step 2: Convert to fraction form
    199,995.04/300,075.36 = 87,617.20/x
  3. Step 3: Cross multiply
    199,995.04x = 300,075.36 × 87,617.20
  4. Step 4: Simplify right side
    199,995.04x = 26,291,762,832.19
  5. Step 5: Solve for x
    x = 26,291,762,832.19/199,995.04
  6. Step 6: Final answer
    x = 131,462.07

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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.