Home / 145,176.62-217,790.58-66,298.82

Finding the Fourth Proportional to 145,176.62, 217,790.58 and 66,298.82

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Solution

The fourth proportional to 145,176.62, 217,790.58 and 66,298.82 is: 99,459.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,176.62 : 217,790.58 = 66,298.82 : x
  2. Step 2: Convert to fraction form
    145,176.62/217,790.58 = 66,298.82/x
  3. Step 3: Cross multiply
    145,176.62x = 217,790.58 × 66,298.82
  4. Step 4: Simplify right side
    145,176.62x = 14,439,258,461.12
  5. Step 5: Solve for x
    x = 14,439,258,461.12/145,176.62
  6. Step 6: Final answer
    x = 99,459.94

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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.