Home / 147,920.64-204,130.24-84,258.40

Finding the Fourth Proportional to 147,920.64, 204,130.24 and 84,258.40

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Solution

The fourth proportional to 147,920.64, 204,130.24 and 84,258.40 is: 116,276.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,920.64 : 204,130.24 = 84,258.40 : x
  2. Step 2: Convert to fraction form
    147,920.64/204,130.24 = 84,258.40/x
  3. Step 3: Cross multiply
    147,920.64x = 204,130.24 × 84,258.40
  4. Step 4: Simplify right side
    147,920.64x = 17,199,687,414.02
  5. Step 5: Solve for x
    x = 17,199,687,414.02/147,920.64
  6. Step 6: Final answer
    x = 116,276.45

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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.