Home / 105,268.08-157,905-35,144.88

Finding the Fourth Proportional to 105,268.08, 157,905 and 35,144.88

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Solution

The fourth proportional to 105,268.08, 157,905 and 35,144.88 is: 52,718.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,268.08 : 157,905 = 35,144.88 : x
  2. Step 2: Convert to fraction form
    105,268.08/157,905 = 35,144.88/x
  3. Step 3: Cross multiply
    105,268.08x = 157,905 × 35,144.88
  4. Step 4: Simplify right side
    105,268.08x = 5,549,552,276.40
  5. Step 5: Solve for x
    x = 5,549,552,276.40/105,268.08
  6. Step 6: Final answer
    x = 52,718.28

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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.