Home / 112,739.54-169,124.88-37,881.10

Finding the Fourth Proportional to 112,739.54, 169,124.88 and 37,881.10

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Solution

The fourth proportional to 112,739.54, 169,124.88 and 37,881.10 is: 56,826.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,739.54 : 169,124.88 = 37,881.10 : x
  2. Step 2: Convert to fraction form
    112,739.54/169,124.88 = 37,881.10/x
  3. Step 3: Cross multiply
    112,739.54x = 169,124.88 × 37,881.10
  4. Step 4: Simplify right side
    112,739.54x = 6,406,636,491.77
  5. Step 5: Solve for x
    x = 6,406,636,491.77/112,739.54
  6. Step 6: Final answer
    x = 56,826.88

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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.