Home / 119,280.36-164,609.96-65,566.76

Finding the Fourth Proportional to 119,280.36, 164,609.96 and 65,566.76

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Solution

The fourth proportional to 119,280.36, 164,609.96 and 65,566.76 is: 90,483.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,280.36 : 164,609.96 = 65,566.76 : x
  2. Step 2: Convert to fraction form
    119,280.36/164,609.96 = 65,566.76/x
  3. Step 3: Cross multiply
    119,280.36x = 164,609.96 × 65,566.76
  4. Step 4: Simplify right side
    119,280.36x = 10,792,941,740.93
  5. Step 5: Solve for x
    x = 10,792,941,740.93/119,280.36
  6. Step 6: Final answer
    x = 90,483.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.