Home / 147,480.60-203,538.84-90,153.48

Finding the Fourth Proportional to 147,480.60, 203,538.84 and 90,153.48

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Solution

The fourth proportional to 147,480.60, 203,538.84 and 90,153.48 is: 124,421.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,480.60 : 203,538.84 = 90,153.48 : x
  2. Step 2: Convert to fraction form
    147,480.60/203,538.84 = 90,153.48/x
  3. Step 3: Cross multiply
    147,480.60x = 203,538.84 × 90,153.48
  4. Step 4: Simplify right side
    147,480.60x = 18,349,734,741.16
  5. Step 5: Solve for x
    x = 18,349,734,741.16/147,480.60
  6. Step 6: Final answer
    x = 124,421.35

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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.