Home / 238,913.80-358,370.70-72,749.32

Finding the Fourth Proportional to 238,913.80, 358,370.70 and 72,749.32

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Solution

The fourth proportional to 238,913.80, 358,370.70 and 72,749.32 is: 109,123.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,913.80 : 358,370.70 = 72,749.32 : x
  2. Step 2: Convert to fraction form
    238,913.80/358,370.70 = 72,749.32/x
  3. Step 3: Cross multiply
    238,913.80x = 358,370.70 × 72,749.32
  4. Step 4: Simplify right side
    238,913.80x = 26,071,224,732.92
  5. Step 5: Solve for x
    x = 26,071,224,732.92/238,913.80
  6. Step 6: Final answer
    x = 109,123.98

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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.