Home / 143,132.56-214,638.80-54,337.12

Finding the Fourth Proportional to 143,132.56, 214,638.80 and 54,337.12

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Solution

The fourth proportional to 143,132.56, 214,638.80 and 54,337.12 is: 81,482.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,132.56 : 214,638.80 = 54,337.12 : x
  2. Step 2: Convert to fraction form
    143,132.56/214,638.80 = 54,337.12/x
  3. Step 3: Cross multiply
    143,132.56x = 214,638.80 × 54,337.12
  4. Step 4: Simplify right side
    143,132.56x = 11,662,854,232.26
  5. Step 5: Solve for x
    x = 11,662,854,232.26/143,132.56
  6. Step 6: Final answer
    x = 81,482.89

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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.