Home / 119,140.84-164,427.48-68,158.30

Finding the Fourth Proportional to 119,140.84, 164,427.48 and 68,158.30

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Solution

The fourth proportional to 119,140.84, 164,427.48 and 68,158.30 is: 94,065.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,140.84 : 164,427.48 = 68,158.30 : x
  2. Step 2: Convert to fraction form
    119,140.84/164,427.48 = 68,158.30/x
  3. Step 3: Cross multiply
    119,140.84x = 164,427.48 × 68,158.30
  4. Step 4: Simplify right side
    119,140.84x = 11,207,097,510.08
  5. Step 5: Solve for x
    x = 11,207,097,510.08/119,140.84
  6. Step 6: Final answer
    x = 94,065.96

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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.