Home / 145,030.50-217,545.75-51,539.94

Finding the Fourth Proportional to 145,030.50, 217,545.75 and 51,539.94

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Solution

The fourth proportional to 145,030.50, 217,545.75 and 51,539.94 is: 77,309.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,030.50 : 217,545.75 = 51,539.94 : x
  2. Step 2: Convert to fraction form
    145,030.50/217,545.75 = 51,539.94/x
  3. Step 3: Cross multiply
    145,030.50x = 217,545.75 × 51,539.94
  4. Step 4: Simplify right side
    145,030.50x = 11,212,294,902.26
  5. Step 5: Solve for x
    x = 11,212,294,902.26/145,030.50
  6. Step 6: Final answer
    x = 77,309.91

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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.