Home / 170,070.30-255,364.65-100,086.30

Finding the Fourth Proportional to 170,070.30, 255,364.65 and 100,086.30

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Solution

The fourth proportional to 170,070.30, 255,364.65 and 100,086.30 is: 150,281.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,070.30 : 255,364.65 = 100,086.30 : x
  2. Step 2: Convert to fraction form
    170,070.30/255,364.65 = 100,086.30/x
  3. Step 3: Cross multiply
    170,070.30x = 255,364.65 × 100,086.30
  4. Step 4: Simplify right side
    170,070.30x = 25,558,502,969.30
  5. Step 5: Solve for x
    x = 25,558,502,969.30/170,070.30
  6. Step 6: Final answer
    x = 150,281.99

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1.5x scale

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.