Home / 142,472.21-197,510.75-134,888.18

Finding the Fourth Proportional to 142,472.21, 197,510.75 and 134,888.18

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Solution

The fourth proportional to 142,472.21, 197,510.75 and 134,888.18 is: 186,996.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,472.21 : 197,510.75 = 134,888.18 : x
  2. Step 2: Convert to fraction form
    142,472.21/197,510.75 = 134,888.18/x
  3. Step 3: Cross multiply
    142,472.21x = 197,510.75 × 134,888.18
  4. Step 4: Simplify right side
    142,472.21x = 26,641,863,935.94
  5. Step 5: Solve for x
    x = 26,641,863,935.94/142,472.21
  6. Step 6: Final answer
    x = 186,996.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.