Home / 147,588.75-203,688.16-90,261.60

Finding the Fourth Proportional to 147,588.75, 203,688.16 and 90,261.60

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Solution

The fourth proportional to 147,588.75, 203,688.16 and 90,261.60 is: 124,570.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,588.75 : 203,688.16 = 90,261.60 : x
  2. Step 2: Convert to fraction form
    147,588.75/203,688.16 = 90,261.60/x
  3. Step 3: Cross multiply
    147,588.75x = 203,688.16 × 90,261.60
  4. Step 4: Simplify right side
    147,588.75x = 18,385,219,222.66
  5. Step 5: Solve for x
    x = 18,385,219,222.66/147,588.75
  6. Step 6: Final answer
    x = 124,570.60

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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.