Home / 119,240.10-164,557.98-78,882.66

Finding the Fourth Proportional to 119,240.10, 164,557.98 and 78,882.66

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Solution

The fourth proportional to 119,240.10, 164,557.98 and 78,882.66 is: 108,862.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,240.10 : 164,557.98 = 78,882.66 : x
  2. Step 2: Convert to fraction form
    119,240.10/164,557.98 = 78,882.66/x
  3. Step 3: Cross multiply
    119,240.10x = 164,557.98 × 78,882.66
  4. Step 4: Simplify right side
    119,240.10x = 12,980,771,186.63
  5. Step 5: Solve for x
    x = 12,980,771,186.63/119,240.10
  6. Step 6: Final answer
    x = 108,862.46

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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.