Home / 89,688.77-134,533.33-84,208.29

Finding the Fourth Proportional to 89,688.77, 134,533.33 and 84,208.29

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Solution

The fourth proportional to 89,688.77, 134,533.33 and 84,208.29 is: 126,312.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,688.77 : 134,533.33 = 84,208.29 : x
  2. Step 2: Convert to fraction form
    89,688.77/134,533.33 = 84,208.29/x
  3. Step 3: Cross multiply
    89,688.77x = 134,533.33 × 84,208.29
  4. Step 4: Simplify right side
    89,688.77x = 11,328,821,330.97
  5. Step 5: Solve for x
    x = 11,328,821,330.97/89,688.77
  6. Step 6: Final answer
    x = 126,312.59

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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.