Home / 159,148.06-219,570.52-90,230.16

Finding the Fourth Proportional to 159,148.06, 219,570.52 and 90,230.16

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Solution

The fourth proportional to 159,148.06, 219,570.52 and 90,230.16 is: 124,487.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,148.06 : 219,570.52 = 90,230.16 : x
  2. Step 2: Convert to fraction form
    159,148.06/219,570.52 = 90,230.16/x
  3. Step 3: Cross multiply
    159,148.06x = 219,570.52 × 90,230.16
  4. Step 4: Simplify right side
    159,148.06x = 19,811,883,150.88
  5. Step 5: Solve for x
    x = 19,811,883,150.88/159,148.06
  6. Step 6: Final answer
    x = 124,487.12

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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.