Home / 152,739.76-210,699.52-89,054.32

Finding the Fourth Proportional to 152,739.76, 210,699.52 and 89,054.32

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Solution

The fourth proportional to 152,739.76, 210,699.52 and 89,054.32 is: 122,847.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,739.76 : 210,699.52 = 89,054.32 : x
  2. Step 2: Convert to fraction form
    152,739.76/210,699.52 = 89,054.32/x
  3. Step 3: Cross multiply
    152,739.76x = 210,699.52 × 89,054.32
  4. Step 4: Simplify right side
    152,739.76x = 18,763,702,477.93
  5. Step 5: Solve for x
    x = 18,763,702,477.93/152,739.76
  6. Step 6: Final answer
    x = 122,847.53

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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.