Home / 181,981.46-251,135.40-105,545.84

Finding the Fourth Proportional to 181,981.46, 251,135.40 and 105,545.84

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Solution

The fourth proportional to 181,981.46, 251,135.40 and 105,545.84 is: 145,653.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,981.46 : 251,135.40 = 105,545.84 : x
  2. Step 2: Convert to fraction form
    181,981.46/251,135.40 = 105,545.84/x
  3. Step 3: Cross multiply
    181,981.46x = 251,135.40 × 105,545.84
  4. Step 4: Simplify right side
    181,981.46x = 26,506,296,746.74
  5. Step 5: Solve for x
    x = 26,506,296,746.74/181,981.46
  6. Step 6: Final answer
    x = 145,653.83

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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.