Home / 86,885.06-130,239.30-34,222.10

Finding the Fourth Proportional to 86,885.06, 130,239.30 and 34,222.10

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Solution

The fourth proportional to 86,885.06, 130,239.30 and 34,222.10 is: 51,298.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,885.06 : 130,239.30 = 34,222.10 : x
  2. Step 2: Convert to fraction form
    86,885.06/130,239.30 = 34,222.10/x
  3. Step 3: Cross multiply
    86,885.06x = 130,239.30 × 34,222.10
  4. Step 4: Simplify right side
    86,885.06x = 4,457,062,348.53
  5. Step 5: Solve for x
    x = 4,457,062,348.53/86,885.06
  6. Step 6: Final answer
    x = 51,298.37

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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.