Home / 143,602.28-215,403.30-64,624.24

Finding the Fourth Proportional to 143,602.28, 215,403.30 and 64,624.24

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Solution

The fourth proportional to 143,602.28, 215,403.30 and 64,624.24 is: 96,936.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,602.28 : 215,403.30 = 64,624.24 : x
  2. Step 2: Convert to fraction form
    143,602.28/215,403.30 = 64,624.24/x
  3. Step 3: Cross multiply
    143,602.28x = 215,403.30 × 64,624.24
  4. Step 4: Simplify right side
    143,602.28x = 13,920,274,555.99
  5. Step 5: Solve for x
    x = 13,920,274,555.99/143,602.28
  6. Step 6: Final answer
    x = 96,936.31

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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.