Home / 162,792.47-243,795.02-140,747.51

Finding the Fourth Proportional to 162,792.47, 243,795.02 and 140,747.51

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Solution

The fourth proportional to 162,792.47, 243,795.02 and 140,747.51 is: 210,780.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,792.47 : 243,795.02 = 140,747.51 : x
  2. Step 2: Convert to fraction form
    162,792.47/243,795.02 = 140,747.51/x
  3. Step 3: Cross multiply
    162,792.47x = 243,795.02 × 140,747.51
  4. Step 4: Simplify right side
    162,792.47x = 34,313,541,311.66
  5. Step 5: Solve for x
    x = 34,313,541,311.66/162,792.47
  6. Step 6: Final answer
    x = 210,780.89

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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.