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Finding the Fourth Proportional to 158,595.96, 218,842.26 and 90,617.34

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Solution

The fourth proportional to 158,595.96, 218,842.26 and 90,617.34 is: 125,040.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,595.96 : 218,842.26 = 90,617.34 : x
  2. Step 2: Convert to fraction form
    158,595.96/218,842.26 = 90,617.34/x
  3. Step 3: Cross multiply
    158,595.96x = 218,842.26 × 90,617.34
  4. Step 4: Simplify right side
    158,595.96x = 19,830,903,480.79
  5. Step 5: Solve for x
    x = 19,830,903,480.79/158,595.96
  6. Step 6: Final answer
    x = 125,040.41

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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.