Home / 143,528.40-215,206.20-73,544.40

Finding the Fourth Proportional to 143,528.40, 215,206.20 and 73,544.40

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Solution

The fourth proportional to 143,528.40, 215,206.20 and 73,544.40 is: 110,272.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,528.40 : 215,206.20 = 73,544.40 : x
  2. Step 2: Convert to fraction form
    143,528.40/215,206.20 = 73,544.40/x
  3. Step 3: Cross multiply
    143,528.40x = 215,206.20 × 73,544.40
  4. Step 4: Simplify right side
    143,528.40x = 15,827,210,855.28
  5. Step 5: Solve for x
    x = 15,827,210,855.28/143,528.40
  6. Step 6: Final answer
    x = 110,272.33

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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.