Home / 170,429.40-255,643.02-52,100.28

Finding the Fourth Proportional to 170,429.40, 255,643.02 and 52,100.28

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Solution

The fourth proportional to 170,429.40, 255,643.02 and 52,100.28 is: 78,150.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,429.40 : 255,643.02 = 52,100.28 : x
  2. Step 2: Convert to fraction form
    170,429.40/255,643.02 = 52,100.28/x
  3. Step 3: Cross multiply
    170,429.40x = 255,643.02 × 52,100.28
  4. Step 4: Simplify right side
    170,429.40x = 13,319,072,922.05
  5. Step 5: Solve for x
    x = 13,319,072,922.05/170,429.40
  6. Step 6: Final answer
    x = 78,150.09

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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.