Home / 157,018.73-235,390.25-62,315.75

Finding the Fourth Proportional to 157,018.73, 235,390.25 and 62,315.75

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Solution

The fourth proportional to 157,018.73, 235,390.25 and 62,315.75 is: 93,418.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,018.73 : 235,390.25 = 62,315.75 : x
  2. Step 2: Convert to fraction form
    157,018.73/235,390.25 = 62,315.75/x
  3. Step 3: Cross multiply
    157,018.73x = 235,390.25 × 62,315.75
  4. Step 4: Simplify right side
    157,018.73x = 14,668,519,971.44
  5. Step 5: Solve for x
    x = 14,668,519,971.44/157,018.73
  6. Step 6: Final answer
    x = 93,418.92

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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.