Home / 197,424.72-272,438.28-120,931.92

Finding the Fourth Proportional to 197,424.72, 272,438.28 and 120,931.92

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Solution

The fourth proportional to 197,424.72, 272,438.28 and 120,931.92 is: 166,881.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,424.72 : 272,438.28 = 120,931.92 : x
  2. Step 2: Convert to fraction form
    197,424.72/272,438.28 = 120,931.92/x
  3. Step 3: Cross multiply
    197,424.72x = 272,438.28 × 120,931.92
  4. Step 4: Simplify right side
    197,424.72x = 32,946,484,281.90
  5. Step 5: Solve for x
    x = 32,946,484,281.90/197,424.72
  6. Step 6: Final answer
    x = 166,881.25

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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.