Home / 112,943.40-169,415.10-106,031.40

Finding the Fourth Proportional to 112,943.40, 169,415.10 and 106,031.40

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Solution

The fourth proportional to 112,943.40, 169,415.10 and 106,031.40 is: 159,047.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,943.40 : 169,415.10 = 106,031.40 : x
  2. Step 2: Convert to fraction form
    112,943.40/169,415.10 = 106,031.40/x
  3. Step 3: Cross multiply
    112,943.40x = 169,415.10 × 106,031.40
  4. Step 4: Simplify right side
    112,943.40x = 17,963,320,234.14
  5. Step 5: Solve for x
    x = 17,963,320,234.14/112,943.40
  6. Step 6: Final answer
    x = 159,047.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.