Home / 147,501.12-203,493.80-90,814.08

Finding the Fourth Proportional to 147,501.12, 203,493.80 and 90,814.08

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Solution

The fourth proportional to 147,501.12, 203,493.80 and 90,814.08 is: 125,287.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,501.12 : 203,493.80 = 90,814.08 : x
  2. Step 2: Convert to fraction form
    147,501.12/203,493.80 = 90,814.08/x
  3. Step 3: Cross multiply
    147,501.12x = 203,493.80 × 90,814.08
  4. Step 4: Simplify right side
    147,501.12x = 18,480,102,232.70
  5. Step 5: Solve for x
    x = 18,480,102,232.70/147,501.12
  6. Step 6: Final answer
    x = 125,287.88

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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.