Home / 143,261.02-214,917.90-47,203.66

Finding the Fourth Proportional to 143,261.02, 214,917.90 and 47,203.66

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Solution

The fourth proportional to 143,261.02, 214,917.90 and 47,203.66 is: 70,814.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,261.02 : 214,917.90 = 47,203.66 : x
  2. Step 2: Convert to fraction form
    143,261.02/214,917.90 = 47,203.66/x
  3. Step 3: Cross multiply
    143,261.02x = 214,917.90 × 47,203.66
  4. Step 4: Simplify right side
    143,261.02x = 10,144,911,479.51
  5. Step 5: Solve for x
    x = 10,144,911,479.51/143,261.02
  6. Step 6: Final answer
    x = 70,814.18

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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.