Home / 113,782.46-157,018.74-62,795.66

Finding the Fourth Proportional to 113,782.46, 157,018.74 and 62,795.66

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Solution

The fourth proportional to 113,782.46, 157,018.74 and 62,795.66 is: 86,657.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,782.46 : 157,018.74 = 62,795.66 : x
  2. Step 2: Convert to fraction form
    113,782.46/157,018.74 = 62,795.66/x
  3. Step 3: Cross multiply
    113,782.46x = 157,018.74 × 62,795.66
  4. Step 4: Simplify right side
    113,782.46x = 9,860,095,410.67
  5. Step 5: Solve for x
    x = 9,860,095,410.67/113,782.46
  6. Step 6: Final answer
    x = 86,657.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.