Home / 137,726.04-190,065.72-77,300.44

Finding the Fourth Proportional to 137,726.04, 190,065.72 and 77,300.44

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Solution

The fourth proportional to 137,726.04, 190,065.72 and 77,300.44 is: 106,676.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,726.04 : 190,065.72 = 77,300.44 : x
  2. Step 2: Convert to fraction form
    137,726.04/190,065.72 = 77,300.44/x
  3. Step 3: Cross multiply
    137,726.04x = 190,065.72 × 77,300.44
  4. Step 4: Simplify right side
    137,726.04x = 14,692,163,784.92
  5. Step 5: Solve for x
    x = 14,692,163,784.92/137,726.04
  6. Step 6: Final answer
    x = 106,676.73

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1.5x scale

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.