Home / 113,029.74-169,547.13-28,789.56

Finding the Fourth Proportional to 113,029.74, 169,547.13 and 28,789.56

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Solution

The fourth proportional to 113,029.74, 169,547.13 and 28,789.56 is: 43,184.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,029.74 : 169,547.13 = 28,789.56 : x
  2. Step 2: Convert to fraction form
    113,029.74/169,547.13 = 28,789.56/x
  3. Step 3: Cross multiply
    113,029.74x = 169,547.13 × 28,789.56
  4. Step 4: Simplify right side
    113,029.74x = 4,881,187,271.96
  5. Step 5: Solve for x
    x = 4,881,187,271.96/113,029.74
  6. Step 6: Final answer
    x = 43,184.98

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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.