Home / 147,285.43-203,248.58-90,020.59

Finding the Fourth Proportional to 147,285.43, 203,248.58 and 90,020.59

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Solution

The fourth proportional to 147,285.43, 203,248.58 and 90,020.59 is: 124,225.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,285.43 : 203,248.58 = 90,020.59 : x
  2. Step 2: Convert to fraction form
    147,285.43/203,248.58 = 90,020.59/x
  3. Step 3: Cross multiply
    147,285.43x = 203,248.58 × 90,020.59
  4. Step 4: Simplify right side
    147,285.43x = 18,296,556,130.04
  5. Step 5: Solve for x
    x = 18,296,556,130.04/147,285.43
  6. Step 6: Final answer
    x = 124,225.16

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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.