Home / 185,210.98-255,590.31-100,328.26

Finding the Fourth Proportional to 185,210.98, 255,590.31 and 100,328.26

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Solution

The fourth proportional to 185,210.98, 255,590.31 and 100,328.26 is: 138,452.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,210.98 : 255,590.31 = 100,328.26 : x
  2. Step 2: Convert to fraction form
    185,210.98/255,590.31 = 100,328.26/x
  3. Step 3: Cross multiply
    185,210.98x = 255,590.31 × 100,328.26
  4. Step 4: Simplify right side
    185,210.98x = 25,642,931,075.16
  5. Step 5: Solve for x
    x = 25,642,931,075.16/185,210.98
  6. Step 6: Final answer
    x = 138,452.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.