Home / 142,048.56-196,060.57-81,654.24

Finding the Fourth Proportional to 142,048.56, 196,060.57 and 81,654.24

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Solution

The fourth proportional to 142,048.56, 196,060.57 and 81,654.24 is: 112,702.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,048.56 : 196,060.57 = 81,654.24 : x
  2. Step 2: Convert to fraction form
    142,048.56/196,060.57 = 81,654.24/x
  3. Step 3: Cross multiply
    142,048.56x = 196,060.57 × 81,654.24
  4. Step 4: Simplify right side
    142,048.56x = 16,009,177,368.41
  5. Step 5: Solve for x
    x = 16,009,177,368.41/142,048.56
  6. Step 6: Final answer
    x = 112,702.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.