Home / 142,754.95-197,013.75-79,098.67

Finding the Fourth Proportional to 142,754.95, 197,013.75 and 79,098.67

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Solution

The fourth proportional to 142,754.95, 197,013.75 and 79,098.67 is: 109,162.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,754.95 : 197,013.75 = 79,098.67 : x
  2. Step 2: Convert to fraction form
    142,754.95/197,013.75 = 79,098.67/x
  3. Step 3: Cross multiply
    142,754.95x = 197,013.75 × 79,098.67
  4. Step 4: Simplify right side
    142,754.95x = 15,583,525,596.71
  5. Step 5: Solve for x
    x = 15,583,525,596.71/142,754.95
  6. Step 6: Final answer
    x = 109,162.77

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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.