Home / 215,349.36-323,075.16-67,605.36

Finding the Fourth Proportional to 215,349.36, 323,075.16 and 67,605.36

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Solution

The fourth proportional to 215,349.36, 323,075.16 and 67,605.36 is: 101,424.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,349.36 : 323,075.16 = 67,605.36 : x
  2. Step 2: Convert to fraction form
    215,349.36/323,075.16 = 67,605.36/x
  3. Step 3: Cross multiply
    215,349.36x = 323,075.16 × 67,605.36
  4. Step 4: Simplify right side
    215,349.36x = 21,841,612,498.86
  5. Step 5: Solve for x
    x = 21,841,612,498.86/215,349.36
  6. Step 6: Final answer
    x = 101,424.09

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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.