Home / 142,319.86-213,294.58-57,981.24

Finding the Fourth Proportional to 142,319.86, 213,294.58 and 57,981.24

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Solution

The fourth proportional to 142,319.86, 213,294.58 and 57,981.24 is: 86,896.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,319.86 : 213,294.58 = 57,981.24 : x
  2. Step 2: Convert to fraction form
    142,319.86/213,294.58 = 57,981.24/x
  3. Step 3: Cross multiply
    142,319.86x = 213,294.58 × 57,981.24
  4. Step 4: Simplify right side
    142,319.86x = 12,367,084,088.73
  5. Step 5: Solve for x
    x = 12,367,084,088.73/142,319.86
  6. Step 6: Final answer
    x = 86,896.41

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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.