Home / 142,125.61-213,168.97-42,301.21

Finding the Fourth Proportional to 142,125.61, 213,168.97 and 42,301.21

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Solution

The fourth proportional to 142,125.61, 213,168.97 and 42,301.21 is: 63,446.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,125.61 : 213,168.97 = 42,301.21 : x
  2. Step 2: Convert to fraction form
    142,125.61/213,168.97 = 42,301.21/x
  3. Step 3: Cross multiply
    142,125.61x = 213,168.97 × 42,301.21
  4. Step 4: Simplify right side
    142,125.61x = 9,017,305,365.45
  5. Step 5: Solve for x
    x = 9,017,305,365.45/142,125.61
  6. Step 6: Final answer
    x = 63,446.03

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1.5x scale

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.