Home / 119,017.20-164,243.72-68,031.02

Finding the Fourth Proportional to 119,017.20, 164,243.72 and 68,031.02

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Solution

The fourth proportional to 119,017.20, 164,243.72 and 68,031.02 is: 93,882.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,017.20 : 164,243.72 = 68,031.02 : x
  2. Step 2: Convert to fraction form
    119,017.20/164,243.72 = 68,031.02/x
  3. Step 3: Cross multiply
    119,017.20x = 164,243.72 × 68,031.02
  4. Step 4: Simplify right side
    119,017.20x = 11,173,666,638.82
  5. Step 5: Solve for x
    x = 11,173,666,638.82/119,017.20
  6. Step 6: Final answer
    x = 93,882.79

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1.5x scale

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.