Home / 145,102.55-217,663.58-51,583.19

Finding the Fourth Proportional to 145,102.55, 217,663.58 and 51,583.19

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Solution

The fourth proportional to 145,102.55, 217,663.58 and 51,583.19 is: 77,378.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,102.55 : 217,663.58 = 51,583.19 : x
  2. Step 2: Convert to fraction form
    145,102.55/217,663.58 = 51,583.19/x
  3. Step 3: Cross multiply
    145,102.55x = 217,663.58 × 51,583.19
  4. Step 4: Simplify right side
    145,102.55x = 11,227,781,545.30
  5. Step 5: Solve for x
    x = 11,227,781,545.30/145,102.55
  6. Step 6: Final answer
    x = 77,378.25

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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.