Home / 154,946.70-232,128.45-79,811.10

Finding the Fourth Proportional to 154,946.70, 232,128.45 and 79,811.10

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Solution

The fourth proportional to 154,946.70, 232,128.45 and 79,811.10 is: 119,566.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,946.70 : 232,128.45 = 79,811.10 : x
  2. Step 2: Convert to fraction form
    154,946.70/232,128.45 = 79,811.10/x
  3. Step 3: Cross multiply
    154,946.70x = 232,128.45 × 79,811.10
  4. Step 4: Simplify right side
    154,946.70x = 18,526,426,935.80
  5. Step 5: Solve for x
    x = 18,526,426,935.80/154,946.70
  6. Step 6: Final answer
    x = 119,566.45

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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.