Home / 133,258.01-183,947.90-90,216.45

Finding the Fourth Proportional to 133,258.01, 183,947.90 and 90,216.45

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Solution

The fourth proportional to 133,258.01, 183,947.90 and 90,216.45 is: 124,533.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,258.01 : 183,947.90 = 90,216.45 : x
  2. Step 2: Convert to fraction form
    133,258.01/183,947.90 = 90,216.45/x
  3. Step 3: Cross multiply
    133,258.01x = 183,947.90 × 90,216.45
  4. Step 4: Simplify right side
    133,258.01x = 16,595,126,071.87
  5. Step 5: Solve for x
    x = 16,595,126,071.87/133,258.01
  6. Step 6: Final answer
    x = 124,533.80

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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.