Home / 170,002.55-255,066.60-70,171.40

Finding the Fourth Proportional to 170,002.55, 255,066.60 and 70,171.40

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Solution

The fourth proportional to 170,002.55, 255,066.60 and 70,171.40 is: 105,283.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,002.55 : 255,066.60 = 70,171.40 : x
  2. Step 2: Convert to fraction form
    170,002.55/255,066.60 = 70,171.40/x
  3. Step 3: Cross multiply
    170,002.55x = 255,066.60 × 70,171.40
  4. Step 4: Simplify right side
    170,002.55x = 17,898,380,415.24
  5. Step 5: Solve for x
    x = 17,898,380,415.24/170,002.55
  6. Step 6: Final answer
    x = 105,283.01

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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.