Home / 112,973.40-169,265.70-73,510.20

Finding the Fourth Proportional to 112,973.40, 169,265.70 and 73,510.20

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Solution

The fourth proportional to 112,973.40, 169,265.70 and 73,510.20 is: 110,138.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,973.40 : 169,265.70 = 73,510.20 : x
  2. Step 2: Convert to fraction form
    112,973.40/169,265.70 = 73,510.20/x
  3. Step 3: Cross multiply
    112,973.40x = 169,265.70 × 73,510.20
  4. Step 4: Simplify right side
    112,973.40x = 12,442,755,460.14
  5. Step 5: Solve for x
    x = 12,442,755,460.14/112,973.40
  6. Step 6: Final answer
    x = 110,138.81

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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.