Home / 145,089.29-217,502.55-51,573.17

Finding the Fourth Proportional to 145,089.29, 217,502.55 and 51,573.17

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Solution

The fourth proportional to 145,089.29, 217,502.55 and 51,573.17 is: 77,313.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,089.29 : 217,502.55 = 51,573.17 : x
  2. Step 2: Convert to fraction form
    145,089.29/217,502.55 = 51,573.17/x
  3. Step 3: Cross multiply
    145,089.29x = 217,502.55 × 51,573.17
  4. Step 4: Simplify right side
    145,089.29x = 11,217,294,899.07
  5. Step 5: Solve for x
    x = 11,217,294,899.07/145,089.29
  6. Step 6: Final answer
    x = 77,313.05

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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.