Home / 142,306.06-213,459.08-53,579.46

Finding the Fourth Proportional to 142,306.06, 213,459.08 and 53,579.46

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Solution

The fourth proportional to 142,306.06, 213,459.08 and 53,579.46 is: 80,369.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,306.06 : 213,459.08 = 53,579.46 : x
  2. Step 2: Convert to fraction form
    142,306.06/213,459.08 = 53,579.46/x
  3. Step 3: Cross multiply
    142,306.06x = 213,459.08 × 53,579.46
  4. Step 4: Simplify right side
    142,306.06x = 11,437,022,238.50
  5. Step 5: Solve for x
    x = 11,437,022,238.50/142,306.06
  6. Step 6: Final answer
    x = 80,369.19

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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.