Home / 105,498.66-145,588.38-57,754.98

Finding the Fourth Proportional to 105,498.66, 145,588.38 and 57,754.98

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Solution

The fourth proportional to 105,498.66, 145,588.38 and 57,754.98 is: 79,702.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,498.66 : 145,588.38 = 57,754.98 : x
  2. Step 2: Convert to fraction form
    105,498.66/145,588.38 = 57,754.98/x
  3. Step 3: Cross multiply
    105,498.66x = 145,588.38 × 57,754.98
  4. Step 4: Simplify right side
    105,498.66x = 8,408,453,975.13
  5. Step 5: Solve for x
    x = 8,408,453,975.13/105,498.66
  6. Step 6: Final answer
    x = 79,702.00

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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.