Home / 145,323.81-217,896.50-56,473.56

Finding the Fourth Proportional to 145,323.81, 217,896.50 and 56,473.56

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Solution

The fourth proportional to 145,323.81, 217,896.50 and 56,473.56 is: 84,675.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,323.81 : 217,896.50 = 56,473.56 : x
  2. Step 2: Convert to fraction form
    145,323.81/217,896.50 = 56,473.56/x
  3. Step 3: Cross multiply
    145,323.81x = 217,896.50 × 56,473.56
  4. Step 4: Simplify right side
    145,323.81x = 12,305,390,784.17
  5. Step 5: Solve for x
    x = 12,305,390,784.17/145,323.81
  6. Step 6: Final answer
    x = 84,675.67

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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.