Home / 99,252.81-136,975.01-56,810.37

Finding the Fourth Proportional to 99,252.81, 136,975.01 and 56,810.37

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Solution

The fourth proportional to 99,252.81, 136,975.01 and 56,810.37 is: 78,401.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,252.81 : 136,975.01 = 56,810.37 : x
  2. Step 2: Convert to fraction form
    99,252.81/136,975.01 = 56,810.37/x
  3. Step 3: Cross multiply
    99,252.81x = 136,975.01 × 56,810.37
  4. Step 4: Simplify right side
    99,252.81x = 7,781,600,714.80
  5. Step 5: Solve for x
    x = 7,781,600,714.80/99,252.81
  6. Step 6: Final answer
    x = 78,401.82

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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.