Home / 143,259.12-214,931.66-57,826.02

Finding the Fourth Proportional to 143,259.12, 214,931.66 and 57,826.02

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Solution

The fourth proportional to 143,259.12, 214,931.66 and 57,826.02 is: 86,756.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,259.12 : 214,931.66 = 57,826.02 : x
  2. Step 2: Convert to fraction form
    143,259.12/214,931.66 = 57,826.02/x
  3. Step 3: Cross multiply
    143,259.12x = 214,931.66 × 57,826.02
  4. Step 4: Simplify right side
    143,259.12x = 12,428,642,180.66
  5. Step 5: Solve for x
    x = 12,428,642,180.66/143,259.12
  6. Step 6: Final answer
    x = 86,756.38

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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.