Home / 103,030.18-154,545.27-56,257.54

Finding the Fourth Proportional to 103,030.18, 154,545.27 and 56,257.54

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Solution

The fourth proportional to 103,030.18, 154,545.27 and 56,257.54 is: 84,386.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,030.18 : 154,545.27 = 56,257.54 : x
  2. Step 2: Convert to fraction form
    103,030.18/154,545.27 = 56,257.54/x
  3. Step 3: Cross multiply
    103,030.18x = 154,545.27 × 56,257.54
  4. Step 4: Simplify right side
    103,030.18x = 8,694,336,708.84
  5. Step 5: Solve for x
    x = 8,694,336,708.84/103,030.18
  6. Step 6: Final answer
    x = 84,386.31

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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.