Home / 142,865.04-214,320.24-49,378.08

Finding the Fourth Proportional to 142,865.04, 214,320.24 and 49,378.08

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Solution

The fourth proportional to 142,865.04, 214,320.24 and 49,378.08 is: 74,074.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,865.04 : 214,320.24 = 49,378.08 : x
  2. Step 2: Convert to fraction form
    142,865.04/214,320.24 = 49,378.08/x
  3. Step 3: Cross multiply
    142,865.04x = 214,320.24 × 49,378.08
  4. Step 4: Simplify right side
    142,865.04x = 10,582,721,956.34
  5. Step 5: Solve for x
    x = 10,582,721,956.34/142,865.04
  6. Step 6: Final answer
    x = 74,074.96

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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.