Home / 142,920.18-214,412.67-49,426.74

Finding the Fourth Proportional to 142,920.18, 214,412.67 and 49,426.74

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Solution

The fourth proportional to 142,920.18, 214,412.67 and 49,426.74 is: 74,151.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,920.18 : 214,412.67 = 49,426.74 : x
  2. Step 2: Convert to fraction form
    142,920.18/214,412.67 = 49,426.74/x
  3. Step 3: Cross multiply
    142,920.18x = 214,412.67 × 49,426.74
  4. Step 4: Simplify right side
    142,920.18x = 10,597,719,292.80
  5. Step 5: Solve for x
    x = 10,597,719,292.80/142,920.18
  6. Step 6: Final answer
    x = 74,151.32

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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.