Home / 119,273.50-178,778.76-77,053.60

Finding the Fourth Proportional to 119,273.50, 178,778.76 and 77,053.60

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Solution

The fourth proportional to 119,273.50, 178,778.76 and 77,053.60 is: 115,495.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,273.50 : 178,778.76 = 77,053.60 : x
  2. Step 2: Convert to fraction form
    119,273.50/178,778.76 = 77,053.60/x
  3. Step 3: Cross multiply
    119,273.50x = 178,778.76 × 77,053.60
  4. Step 4: Simplify right side
    119,273.50x = 13,775,547,061.54
  5. Step 5: Solve for x
    x = 13,775,547,061.54/119,273.50
  6. Step 6: Final answer
    x = 115,495.45

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1.5x scale

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.