Home / 210,261.96-315,276.26-69,944.04

Finding the Fourth Proportional to 210,261.96, 315,276.26 and 69,944.04

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Solution

The fourth proportional to 210,261.96, 315,276.26 and 69,944.04 is: 104,877.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,261.96 : 315,276.26 = 69,944.04 : x
  2. Step 2: Convert to fraction form
    210,261.96/315,276.26 = 69,944.04/x
  3. Step 3: Cross multiply
    210,261.96x = 315,276.26 × 69,944.04
  4. Step 4: Simplify right side
    210,261.96x = 22,051,695,340.49
  5. Step 5: Solve for x
    x = 22,051,695,340.49/210,261.96
  6. Step 6: Final answer
    x = 104,877.25

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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.