Home / 145,011.64-217,527.82-60,686.89

Finding the Fourth Proportional to 145,011.64, 217,527.82 and 60,686.89

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Solution

The fourth proportional to 145,011.64, 217,527.82 and 60,686.89 is: 91,034.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,011.64 : 217,527.82 = 60,686.89 : x
  2. Step 2: Convert to fraction form
    145,011.64/217,527.82 = 60,686.89/x
  3. Step 3: Cross multiply
    145,011.64x = 217,527.82 × 60,686.89
  4. Step 4: Simplify right side
    145,011.64x = 13,201,087,004.47
  5. Step 5: Solve for x
    x = 13,201,087,004.47/145,011.64
  6. Step 6: Final answer
    x = 91,034.67

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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.