Home / 212,790.29-293,671.27-158,981.89

Finding the Fourth Proportional to 212,790.29, 293,671.27 and 158,981.89

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Solution

The fourth proportional to 212,790.29, 293,671.27 and 158,981.89 is: 219,410.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,790.29 : 293,671.27 = 158,981.89 : x
  2. Step 2: Convert to fraction form
    212,790.29/293,671.27 = 158,981.89/x
  3. Step 3: Cross multiply
    212,790.29x = 293,671.27 × 158,981.89
  4. Step 4: Simplify right side
    212,790.29x = 46,688,413,558.48
  5. Step 5: Solve for x
    x = 46,688,413,558.48/212,790.29
  6. Step 6: Final answer
    x = 219,410.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.