Home / 219,047.50-302,318.36-134,213.77

Finding the Fourth Proportional to 219,047.50, 302,318.36 and 134,213.77

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Solution

The fourth proportional to 219,047.50, 302,318.36 and 134,213.77 is: 185,235.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,047.50 : 302,318.36 = 134,213.77 : x
  2. Step 2: Convert to fraction form
    219,047.50/302,318.36 = 134,213.77/x
  3. Step 3: Cross multiply
    219,047.50x = 302,318.36 × 134,213.77
  4. Step 4: Simplify right side
    219,047.50x = 40,575,286,835.82
  5. Step 5: Solve for x
    x = 40,575,286,835.82/219,047.50
  6. Step 6: Final answer
    x = 185,235.11

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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.