Home / 170,041.40-255,071.70-51,716.60

Finding the Fourth Proportional to 170,041.40, 255,071.70 and 51,716.60

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Solution

The fourth proportional to 170,041.40, 255,071.70 and 51,716.60 is: 77,577.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,041.40 : 255,071.70 = 51,716.60 : x
  2. Step 2: Convert to fraction form
    170,041.40/255,071.70 = 51,716.60/x
  3. Step 3: Cross multiply
    170,041.40x = 255,071.70 × 51,716.60
  4. Step 4: Simplify right side
    170,041.40x = 13,191,441,080.22
  5. Step 5: Solve for x
    x = 13,191,441,080.22/170,041.40
  6. Step 6: Final answer
    x = 77,577.82

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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.