Home / 145,829.70-218,744.55-52,323.30

Finding the Fourth Proportional to 145,829.70, 218,744.55 and 52,323.30

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Solution

The fourth proportional to 145,829.70, 218,744.55 and 52,323.30 is: 78,484.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,829.70 : 218,744.55 = 52,323.30 : x
  2. Step 2: Convert to fraction form
    145,829.70/218,744.55 = 52,323.30/x
  3. Step 3: Cross multiply
    145,829.70x = 218,744.55 × 52,323.30
  4. Step 4: Simplify right side
    145,829.70x = 11,445,436,713.02
  5. Step 5: Solve for x
    x = 11,445,436,713.02/145,829.70
  6. Step 6: Final answer
    x = 78,484.95

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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.