Home / 153,187.40-229,787.28-53,357.69

Finding the Fourth Proportional to 153,187.40, 229,787.28 and 53,357.69

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Solution

The fourth proportional to 153,187.40, 229,787.28 and 53,357.69 is: 80,038.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,187.40 : 229,787.28 = 53,357.69 : x
  2. Step 2: Convert to fraction form
    153,187.40/229,787.28 = 53,357.69/x
  3. Step 3: Cross multiply
    153,187.40x = 229,787.28 × 53,357.69
  4. Step 4: Simplify right side
    153,187.40x = 12,260,917,734.10
  5. Step 5: Solve for x
    x = 12,260,917,734.10/153,187.40
  6. Step 6: Final answer
    x = 80,038.68

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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.