Home / 143,316.83-214,980.17-64,431.33

Finding the Fourth Proportional to 143,316.83, 214,980.17 and 64,431.33

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Solution

The fourth proportional to 143,316.83, 214,980.17 and 64,431.33 is: 96,649.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,316.83 : 214,980.17 = 64,431.33 : x
  2. Step 2: Convert to fraction form
    143,316.83/214,980.17 = 64,431.33/x
  3. Step 3: Cross multiply
    143,316.83x = 214,980.17 × 64,431.33
  4. Step 4: Simplify right side
    143,316.83x = 13,851,457,954.57
  5. Step 5: Solve for x
    x = 13,851,457,954.57/143,316.83
  6. Step 6: Final answer
    x = 96,649.21

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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.