Home / 220,775.03-304,717.01-134,715.57

Finding the Fourth Proportional to 220,775.03, 304,717.01 and 134,715.57

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Solution

The fourth proportional to 220,775.03, 304,717.01 and 134,715.57 is: 185,936.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,775.03 : 304,717.01 = 134,715.57 : x
  2. Step 2: Convert to fraction form
    220,775.03/304,717.01 = 134,715.57/x
  3. Step 3: Cross multiply
    220,775.03x = 304,717.01 × 134,715.57
  4. Step 4: Simplify right side
    220,775.03x = 41,050,126,027.63
  5. Step 5: Solve for x
    x = 41,050,126,027.63/220,775.03
  6. Step 6: Final answer
    x = 185,936.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.