Home / 137,746.19-190,075.14-77,323.49

Finding the Fourth Proportional to 137,746.19, 190,075.14 and 77,323.49

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Solution

The fourth proportional to 137,746.19, 190,075.14 and 77,323.49 is: 106,698.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,746.19 : 190,075.14 = 77,323.49 : x
  2. Step 2: Convert to fraction form
    137,746.19/190,075.14 = 77,323.49/x
  3. Step 3: Cross multiply
    137,746.19x = 190,075.14 × 77,323.49
  4. Step 4: Simplify right side
    137,746.19x = 14,697,273,187.04
  5. Step 5: Solve for x
    x = 14,697,273,187.04/137,746.19
  6. Step 6: Final answer
    x = 106,698.22

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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.