Home / 134,420.06-185,477.97-77,048.82

Finding the Fourth Proportional to 134,420.06, 185,477.97 and 77,048.82

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Solution

The fourth proportional to 134,420.06, 185,477.97 and 77,048.82 is: 106,314.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,420.06 : 185,477.97 = 77,048.82 : x
  2. Step 2: Convert to fraction form
    134,420.06/185,477.97 = 77,048.82/x
  3. Step 3: Cross multiply
    134,420.06x = 185,477.97 × 77,048.82
  4. Step 4: Simplify right side
    134,420.06x = 14,290,859,013.43
  5. Step 5: Solve for x
    x = 14,290,859,013.43/134,420.06
  6. Step 6: Final answer
    x = 106,314.93

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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.