Home / 137,075.58-205,044.74-128,677.50

Finding the Fourth Proportional to 137,075.58, 205,044.74 and 128,677.50

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Solution

The fourth proportional to 137,075.58, 205,044.74 and 128,677.50 is: 192,482.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,075.58 : 205,044.74 = 128,677.50 : x
  2. Step 2: Convert to fraction form
    137,075.58/205,044.74 = 128,677.50/x
  3. Step 3: Cross multiply
    137,075.58x = 205,044.74 × 128,677.50
  4. Step 4: Simplify right side
    137,075.58x = 26,384,644,531.35
  5. Step 5: Solve for x
    x = 26,384,644,531.35/137,075.58
  6. Step 6: Final answer
    x = 192,482.46

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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.