Home / 159,008.58-219,434.40-91,025.28

Finding the Fourth Proportional to 159,008.58, 219,434.40 and 91,025.28

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Solution

The fourth proportional to 159,008.58, 219,434.40 and 91,025.28 is: 125,616.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,008.58 : 219,434.40 = 91,025.28 : x
  2. Step 2: Convert to fraction form
    159,008.58/219,434.40 = 91,025.28/x
  3. Step 3: Cross multiply
    159,008.58x = 219,434.40 × 91,025.28
  4. Step 4: Simplify right side
    159,008.58x = 19,974,077,701.63
  5. Step 5: Solve for x
    x = 19,974,077,701.63/159,008.58
  6. Step 6: Final answer
    x = 125,616.35

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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.