Home / 170,068.40-255,102.60-57,778.10

Finding the Fourth Proportional to 170,068.40, 255,102.60 and 57,778.10

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Solution

The fourth proportional to 170,068.40, 255,102.60 and 57,778.10 is: 86,667.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,068.40 : 255,102.60 = 57,778.10 : x
  2. Step 2: Convert to fraction form
    170,068.40/255,102.60 = 57,778.10/x
  3. Step 3: Cross multiply
    170,068.40x = 255,102.60 × 57,778.10
  4. Step 4: Simplify right side
    170,068.40x = 14,739,343,533.06
  5. Step 5: Solve for x
    x = 14,739,343,533.06/170,068.40
  6. Step 6: Final answer
    x = 86,667.15

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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.