Home / 142,729.10-214,093.65-42,904.70

Finding the Fourth Proportional to 142,729.10, 214,093.65 and 42,904.70

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Solution

The fourth proportional to 142,729.10, 214,093.65 and 42,904.70 is: 64,357.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,729.10 : 214,093.65 = 42,904.70 : x
  2. Step 2: Convert to fraction form
    142,729.10/214,093.65 = 42,904.70/x
  3. Step 3: Cross multiply
    142,729.10x = 214,093.65 × 42,904.70
  4. Step 4: Simplify right side
    142,729.10x = 9,185,623,825.16
  5. Step 5: Solve for x
    x = 9,185,623,825.16/142,729.10
  6. Step 6: Final answer
    x = 64,357.05

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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.