Home / 142,830.16-214,263.84-52,860.64

Finding the Fourth Proportional to 142,830.16, 214,263.84 and 52,860.64

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Solution

The fourth proportional to 142,830.16, 214,263.84 and 52,860.64 is: 79,297.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,830.16 : 214,263.84 = 52,860.64 : x
  2. Step 2: Convert to fraction form
    142,830.16/214,263.84 = 52,860.64/x
  3. Step 3: Cross multiply
    142,830.16x = 214,263.84 × 52,860.64
  4. Step 4: Simplify right side
    142,830.16x = 11,326,123,711.26
  5. Step 5: Solve for x
    x = 11,326,123,711.26/142,830.16
  6. Step 6: Final answer
    x = 79,297.84

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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.