Home / 152,018.32-209,844.48-136,075.20

Finding the Fourth Proportional to 152,018.32, 209,844.48 and 136,075.20

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Solution

The fourth proportional to 152,018.32, 209,844.48 and 136,075.20 is: 187,836.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,018.32 : 209,844.48 = 136,075.20 : x
  2. Step 2: Convert to fraction form
    152,018.32/209,844.48 = 136,075.20/x
  3. Step 3: Cross multiply
    152,018.32x = 209,844.48 × 136,075.20
  4. Step 4: Simplify right side
    152,018.32x = 28,554,629,584.90
  5. Step 5: Solve for x
    x = 28,554,629,584.90/152,018.32
  6. Step 6: Final answer
    x = 187,836.77

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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.