Home / 112,802.92-169,090.45-70,712.50

Finding the Fourth Proportional to 112,802.92, 169,090.45 and 70,712.50

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Solution

The fourth proportional to 112,802.92, 169,090.45 and 70,712.50 is: 105,997.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,802.92 : 169,090.45 = 70,712.50 : x
  2. Step 2: Convert to fraction form
    112,802.92/169,090.45 = 70,712.50/x
  3. Step 3: Cross multiply
    112,802.92x = 169,090.45 × 70,712.50
  4. Step 4: Simplify right side
    112,802.92x = 11,956,809,036.49
  5. Step 5: Solve for x
    x = 11,956,809,036.49/112,802.92
  6. Step 6: Final answer
    x = 105,997.34

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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.