Home / 90,602.51-135,841.75-46,143.23

Finding the Fourth Proportional to 90,602.51, 135,841.75 and 46,143.23

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Solution

The fourth proportional to 90,602.51, 135,841.75 and 46,143.23 is: 69,183.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,602.51 : 135,841.75 = 46,143.23 : x
  2. Step 2: Convert to fraction form
    90,602.51/135,841.75 = 46,143.23/x
  3. Step 3: Cross multiply
    90,602.51x = 135,841.75 × 46,143.23
  4. Step 4: Simplify right side
    90,602.51x = 6,268,176,319.29
  5. Step 5: Solve for x
    x = 6,268,176,319.29/90,602.51
  6. Step 6: Final answer
    x = 69,183.26

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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.