Home / 136,312.70-204,501.45-57,386.30

Finding the Fourth Proportional to 136,312.70, 204,501.45 and 57,386.30

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Solution

The fourth proportional to 136,312.70, 204,501.45 and 57,386.30 is: 86,093.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,312.70 : 204,501.45 = 57,386.30 : x
  2. Step 2: Convert to fraction form
    136,312.70/204,501.45 = 57,386.30/x
  3. Step 3: Cross multiply
    136,312.70x = 204,501.45 × 57,386.30
  4. Step 4: Simplify right side
    136,312.70x = 11,735,581,560.14
  5. Step 5: Solve for x
    x = 11,735,581,560.14/136,312.70
  6. Step 6: Final answer
    x = 86,093.09

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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.