Home / 153,288.28-229,854.66-70,111

Finding the Fourth Proportional to 153,288.28, 229,854.66 and 70,111

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Solution

The fourth proportional to 153,288.28, 229,854.66 and 70,111 is: 105,130.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,288.28 : 229,854.66 = 70,111 : x
  2. Step 2: Convert to fraction form
    153,288.28/229,854.66 = 70,111/x
  3. Step 3: Cross multiply
    153,288.28x = 229,854.66 × 70,111
  4. Step 4: Simplify right side
    153,288.28x = 16,115,340,067.26
  5. Step 5: Solve for x
    x = 16,115,340,067.26/153,288.28
  6. Step 6: Final answer
    x = 105,130.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.