Home / 145,929.16-218,948.42-51,166.45

Finding the Fourth Proportional to 145,929.16, 218,948.42 and 51,166.45

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Solution

The fourth proportional to 145,929.16, 218,948.42 and 51,166.45 is: 76,768.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,929.16 : 218,948.42 = 51,166.45 : x
  2. Step 2: Convert to fraction form
    145,929.16/218,948.42 = 51,166.45/x
  3. Step 3: Cross multiply
    145,929.16x = 218,948.42 × 51,166.45
  4. Step 4: Simplify right side
    145,929.16x = 11,202,813,384.51
  5. Step 5: Solve for x
    x = 11,202,813,384.51/145,929.16
  6. Step 6: Final answer
    x = 76,768.85

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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.