Home / 118,172.07-177,159.03-51,561.54

Finding the Fourth Proportional to 118,172.07, 177,159.03 and 51,561.54

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Solution

The fourth proportional to 118,172.07, 177,159.03 and 51,561.54 is: 77,299.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,172.07 : 177,159.03 = 51,561.54 : x
  2. Step 2: Convert to fraction form
    118,172.07/177,159.03 = 51,561.54/x
  3. Step 3: Cross multiply
    118,172.07x = 177,159.03 × 51,561.54
  4. Step 4: Simplify right side
    118,172.07x = 9,134,592,411.71
  5. Step 5: Solve for x
    x = 9,134,592,411.71/118,172.07
  6. Step 6: Final answer
    x = 77,299.08

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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.