Home / 155,274.81-232,961.40-55,432.77

Finding the Fourth Proportional to 155,274.81, 232,961.40 and 55,432.77

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Solution

The fourth proportional to 155,274.81, 232,961.40 and 55,432.77 is: 83,166.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,274.81 : 232,961.40 = 55,432.77 : x
  2. Step 2: Convert to fraction form
    155,274.81/232,961.40 = 55,432.77/x
  3. Step 3: Cross multiply
    155,274.81x = 232,961.40 × 55,432.77
  4. Step 4: Simplify right side
    155,274.81x = 12,913,695,705.08
  5. Step 5: Solve for x
    x = 12,913,695,705.08/155,274.81
  6. Step 6: Final answer
    x = 83,166.71

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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.