Home / 170,030.40-255,054.72-51,705.60

Finding the Fourth Proportional to 170,030.40, 255,054.72 and 51,705.60

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Solution

The fourth proportional to 170,030.40, 255,054.72 and 51,705.60 is: 77,561.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,030.40 : 255,054.72 = 51,705.60 : x
  2. Step 2: Convert to fraction form
    170,030.40/255,054.72 = 51,705.60/x
  3. Step 3: Cross multiply
    170,030.40x = 255,054.72 × 51,705.60
  4. Step 4: Simplify right side
    170,030.40x = 13,187,757,330.43
  5. Step 5: Solve for x
    x = 13,187,757,330.43/170,030.40
  6. Step 6: Final answer
    x = 77,561.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.