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Finding the Fourth Proportional to 159,050.73, 219,484.44 and 87,430.25

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Solution

The fourth proportional to 159,050.73, 219,484.44 and 87,430.25 is: 120,650.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,050.73 : 219,484.44 = 87,430.25 : x
  2. Step 2: Convert to fraction form
    159,050.73/219,484.44 = 87,430.25/x
  3. Step 3: Cross multiply
    159,050.73x = 219,484.44 × 87,430.25
  4. Step 4: Simplify right side
    159,050.73x = 19,189,578,362.89
  5. Step 5: Solve for x
    x = 19,189,578,362.89/159,050.73
  6. Step 6: Final answer
    x = 120,650.68

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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.