Home / 147,434.48-203,439.06-87,007.64

Finding the Fourth Proportional to 147,434.48, 203,439.06 and 87,007.64

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Solution

The fourth proportional to 147,434.48, 203,439.06 and 87,007.64 is: 120,058.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,434.48 : 203,439.06 = 87,007.64 : x
  2. Step 2: Convert to fraction form
    147,434.48/203,439.06 = 87,007.64/x
  3. Step 3: Cross multiply
    147,434.48x = 203,439.06 × 87,007.64
  4. Step 4: Simplify right side
    147,434.48x = 17,700,752,494.42
  5. Step 5: Solve for x
    x = 17,700,752,494.42/147,434.48
  6. Step 6: Final answer
    x = 120,058.43

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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.