Home / 109,055.36-163,529.58-64,670.24

Finding the Fourth Proportional to 109,055.36, 163,529.58 and 64,670.24

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Solution

The fourth proportional to 109,055.36, 163,529.58 and 64,670.24 is: 96,973.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,055.36 : 163,529.58 = 64,670.24 : x
  2. Step 2: Convert to fraction form
    109,055.36/163,529.58 = 64,670.24/x
  3. Step 3: Cross multiply
    109,055.36x = 163,529.58 × 64,670.24
  4. Step 4: Simplify right side
    109,055.36x = 10,575,497,185.70
  5. Step 5: Solve for x
    x = 10,575,497,185.70/109,055.36
  6. Step 6: Final answer
    x = 96,973.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.