Home / 98,844.98-136,415.84-56,409.89

Finding the Fourth Proportional to 98,844.98, 136,415.84 and 56,409.89

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Solution

The fourth proportional to 98,844.98, 136,415.84 and 56,409.89 is: 77,851.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,844.98 : 136,415.84 = 56,409.89 : x
  2. Step 2: Convert to fraction form
    98,844.98/136,415.84 = 56,409.89/x
  3. Step 3: Cross multiply
    98,844.98x = 136,415.84 × 56,409.89
  4. Step 4: Simplify right side
    98,844.98x = 7,695,201,564.53
  5. Step 5: Solve for x
    x = 7,695,201,564.53/98,844.98
  6. Step 6: Final answer
    x = 77,851.22

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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.