Home / 210,258.16-290,155.08-114,764.56

Finding the Fourth Proportional to 210,258.16, 290,155.08 and 114,764.56

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Solution

The fourth proportional to 210,258.16, 290,155.08 and 114,764.56 is: 158,374.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,258.16 : 290,155.08 = 114,764.56 : x
  2. Step 2: Convert to fraction form
    210,258.16/290,155.08 = 114,764.56/x
  3. Step 3: Cross multiply
    210,258.16x = 290,155.08 × 114,764.56
  4. Step 4: Simplify right side
    210,258.16x = 33,299,520,087.96
  5. Step 5: Solve for x
    x = 33,299,520,087.96/210,258.16
  6. Step 6: Final answer
    x = 158,374.45

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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.