Home / 145,860.66-201,298.23-81,334.26

Finding the Fourth Proportional to 145,860.66, 201,298.23 and 81,334.26

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Solution

The fourth proportional to 145,860.66, 201,298.23 and 81,334.26 is: 112,247.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,860.66 : 201,298.23 = 81,334.26 : x
  2. Step 2: Convert to fraction form
    145,860.66/201,298.23 = 81,334.26/x
  3. Step 3: Cross multiply
    145,860.66x = 201,298.23 × 81,334.26
  4. Step 4: Simplify right side
    145,860.66x = 16,372,442,576.36
  5. Step 5: Solve for x
    x = 16,372,442,576.36/145,860.66
  6. Step 6: Final answer
    x = 112,247.14

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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.