Home / 145,250.30-200,464.13-81,588.08

Finding the Fourth Proportional to 145,250.30, 200,464.13 and 81,588.08

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Solution

The fourth proportional to 145,250.30, 200,464.13 and 81,588.08 is: 112,602.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,250.30 : 200,464.13 = 81,588.08 : x
  2. Step 2: Convert to fraction form
    145,250.30/200,464.13 = 81,588.08/x
  3. Step 3: Cross multiply
    145,250.30x = 200,464.13 × 81,588.08
  4. Step 4: Simplify right side
    145,250.30x = 16,355,483,475.57
  5. Step 5: Solve for x
    x = 16,355,483,475.57/145,250.30
  6. Step 6: Final answer
    x = 112,602.06

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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.