Home / 145,585.42-200,907.25-81,924.28

Finding the Fourth Proportional to 145,585.42, 200,907.25 and 81,924.28

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Solution

The fourth proportional to 145,585.42, 200,907.25 and 81,924.28 is: 113,055.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,585.42 : 200,907.25 = 81,924.28 : x
  2. Step 2: Convert to fraction form
    145,585.42/200,907.25 = 81,924.28/x
  3. Step 3: Cross multiply
    145,585.42x = 200,907.25 × 81,924.28
  4. Step 4: Simplify right side
    145,585.42x = 16,459,181,803.03
  5. Step 5: Solve for x
    x = 16,459,181,803.03/145,585.42
  6. Step 6: Final answer
    x = 113,055.15

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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.