Home / 142,804.70-213,981.74-52,723.54

Finding the Fourth Proportional to 142,804.70, 213,981.74 and 52,723.54

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Solution

The fourth proportional to 142,804.70, 213,981.74 and 52,723.54 is: 79,002.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,804.70 : 213,981.74 = 52,723.54 : x
  2. Step 2: Convert to fraction form
    142,804.70/213,981.74 = 52,723.54/x
  3. Step 3: Cross multiply
    142,804.70x = 213,981.74 × 52,723.54
  4. Step 4: Simplify right side
    142,804.70x = 11,281,874,828.16
  5. Step 5: Solve for x
    x = 11,281,874,828.16/142,804.70
  6. Step 6: Final answer
    x = 79,002.13

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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.