Home / 105,381.52-158,071.44-43,008.28

Finding the Fourth Proportional to 105,381.52, 158,071.44 and 43,008.28

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Solution

The fourth proportional to 105,381.52, 158,071.44 and 43,008.28 is: 64,512.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,381.52 : 158,071.44 = 43,008.28 : x
  2. Step 2: Convert to fraction form
    105,381.52/158,071.44 = 43,008.28/x
  3. Step 3: Cross multiply
    105,381.52x = 158,071.44 × 43,008.28
  4. Step 4: Simplify right side
    105,381.52x = 6,798,380,751.52
  5. Step 5: Solve for x
    x = 6,798,380,751.52/105,381.52
  6. Step 6: Final answer
    x = 64,512.08

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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.