Home / 134,297.70-185,316.30-77,698.50

Finding the Fourth Proportional to 134,297.70, 185,316.30 and 77,698.50

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Solution

The fourth proportional to 134,297.70, 185,316.30 and 77,698.50 is: 107,215.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,297.70 : 185,316.30 = 77,698.50 : x
  2. Step 2: Convert to fraction form
    134,297.70/185,316.30 = 77,698.50/x
  3. Step 3: Cross multiply
    134,297.70x = 185,316.30 × 77,698.50
  4. Step 4: Simplify right side
    134,297.70x = 14,398,798,535.55
  5. Step 5: Solve for x
    x = 14,398,798,535.55/134,297.70
  6. Step 6: Final answer
    x = 107,215.53

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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.