Home / 94,329.10-130,172.18-51,309.46

Finding the Fourth Proportional to 94,329.10, 130,172.18 and 51,309.46

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Solution

The fourth proportional to 94,329.10, 130,172.18 and 51,309.46 is: 70,805.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,329.10 : 130,172.18 = 51,309.46 : x
  2. Step 2: Convert to fraction form
    94,329.10/130,172.18 = 51,309.46/x
  3. Step 3: Cross multiply
    94,329.10x = 130,172.18 × 51,309.46
  4. Step 4: Simplify right side
    94,329.10x = 6,679,064,262.82
  5. Step 5: Solve for x
    x = 6,679,064,262.82/94,329.10
  6. Step 6: Final answer
    x = 70,805.98

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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.