Home / 137,152.17-205,726.77-104,075.37

Finding the Fourth Proportional to 137,152.17, 205,726.77 and 104,075.37

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Solution

The fourth proportional to 137,152.17, 205,726.77 and 104,075.37 is: 156,111.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,152.17 : 205,726.77 = 104,075.37 : x
  2. Step 2: Convert to fraction form
    137,152.17/205,726.77 = 104,075.37/x
  3. Step 3: Cross multiply
    137,152.17x = 205,726.77 × 104,075.37
  4. Step 4: Simplify right side
    137,152.17x = 21,411,089,706.65
  5. Step 5: Solve for x
    x = 21,411,089,706.65/137,152.17
  6. Step 6: Final answer
    x = 156,111.93

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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.