Home / 131,615.66-197,423.28-42,869.02

Finding the Fourth Proportional to 131,615.66, 197,423.28 and 42,869.02

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Solution

The fourth proportional to 131,615.66, 197,423.28 and 42,869.02 is: 64,303.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,615.66 : 197,423.28 = 42,869.02 : x
  2. Step 2: Convert to fraction form
    131,615.66/197,423.28 = 42,869.02/x
  3. Step 3: Cross multiply
    131,615.66x = 197,423.28 × 42,869.02
  4. Step 4: Simplify right side
    131,615.66x = 8,463,342,045.23
  5. Step 5: Solve for x
    x = 8,463,342,045.23/131,615.66
  6. Step 6: Final answer
    x = 64,303.46

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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.