Home / 153,935.40-230,903.10-142,125.60

Finding the Fourth Proportional to 153,935.40, 230,903.10 and 142,125.60

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Solution

The fourth proportional to 153,935.40, 230,903.10 and 142,125.60 is: 213,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,935.40 : 230,903.10 = 142,125.60 : x
  2. Step 2: Convert to fraction form
    153,935.40/230,903.10 = 142,125.60/x
  3. Step 3: Cross multiply
    153,935.40x = 230,903.10 × 142,125.60
  4. Step 4: Simplify right side
    153,935.40x = 32,817,241,629.36
  5. Step 5: Solve for x
    x = 32,817,241,629.36/153,935.40
  6. Step 6: Final answer
    x = 213,188.40

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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.