Home / 147,308.51-203,280.01-90,043.71

Finding the Fourth Proportional to 147,308.51, 203,280.01 and 90,043.71

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Solution

The fourth proportional to 147,308.51, 203,280.01 and 90,043.71 is: 124,256.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,308.51 : 203,280.01 = 90,043.71 : x
  2. Step 2: Convert to fraction form
    147,308.51/203,280.01 = 90,043.71/x
  3. Step 3: Cross multiply
    147,308.51x = 203,280.01 × 90,043.71
  4. Step 4: Simplify right side
    147,308.51x = 18,304,086,044.13
  5. Step 5: Solve for x
    x = 18,304,086,044.13/147,308.51
  6. Step 6: Final answer
    x = 124,256.81

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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.