Home / 145,618.32-218,442.38-55,736.55

Finding the Fourth Proportional to 145,618.32, 218,442.38 and 55,736.55

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Solution

The fourth proportional to 145,618.32, 218,442.38 and 55,736.55 is: 83,610.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,618.32 : 218,442.38 = 55,736.55 : x
  2. Step 2: Convert to fraction form
    145,618.32/218,442.38 = 55,736.55/x
  3. Step 3: Cross multiply
    145,618.32x = 218,442.38 × 55,736.55
  4. Step 4: Simplify right side
    145,618.32x = 12,175,223,264.09
  5. Step 5: Solve for x
    x = 12,175,223,264.09/145,618.32
  6. Step 6: Final answer
    x = 83,610.52

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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.