Home / 77,146.32-106,462.08-43,612.32

Finding the Fourth Proportional to 77,146.32, 106,462.08 and 43,612.32

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Solution

The fourth proportional to 77,146.32, 106,462.08 and 43,612.32 is: 60,185.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,146.32 : 106,462.08 = 43,612.32 : x
  2. Step 2: Convert to fraction form
    77,146.32/106,462.08 = 43,612.32/x
  3. Step 3: Cross multiply
    77,146.32x = 106,462.08 × 43,612.32
  4. Step 4: Simplify right side
    77,146.32x = 4,643,058,300.83
  5. Step 5: Solve for x
    x = 4,643,058,300.83/77,146.32
  6. Step 6: Final answer
    x = 60,185.09

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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.