Home / 131,810.72-197,735.36-38,304.32

Finding the Fourth Proportional to 131,810.72, 197,735.36 and 38,304.32

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Solution

The fourth proportional to 131,810.72, 197,735.36 and 38,304.32 is: 57,462.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,810.72 : 197,735.36 = 38,304.32 : x
  2. Step 2: Convert to fraction form
    131,810.72/197,735.36 = 38,304.32/x
  3. Step 3: Cross multiply
    131,810.72x = 197,735.36 × 38,304.32
  4. Step 4: Simplify right side
    131,810.72x = 7,574,118,504.76
  5. Step 5: Solve for x
    x = 7,574,118,504.76/131,810.72
  6. Step 6: Final answer
    x = 57,462.08

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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.