Home / 143,580.24-215,173.26-73,312.20

Finding the Fourth Proportional to 143,580.24, 215,173.26 and 73,312.20

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Solution

The fourth proportional to 143,580.24, 215,173.26 and 73,312.20 is: 109,867.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,580.24 : 215,173.26 = 73,312.20 : x
  2. Step 2: Convert to fraction form
    143,580.24/215,173.26 = 73,312.20/x
  3. Step 3: Cross multiply
    143,580.24x = 215,173.26 × 73,312.20
  4. Step 4: Simplify right side
    143,580.24x = 15,774,825,071.77
  5. Step 5: Solve for x
    x = 15,774,825,071.77/143,580.24
  6. Step 6: Final answer
    x = 109,867.66

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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.