Home / 152,890.20-229,335.30-99,746.10

Finding the Fourth Proportional to 152,890.20, 229,335.30 and 99,746.10

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Solution

The fourth proportional to 152,890.20, 229,335.30 and 99,746.10 is: 149,619.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,890.20 : 229,335.30 = 99,746.10 : x
  2. Step 2: Convert to fraction form
    152,890.20/229,335.30 = 99,746.10/x
  3. Step 3: Cross multiply
    152,890.20x = 229,335.30 × 99,746.10
  4. Step 4: Simplify right side
    152,890.20x = 22,875,301,767.33
  5. Step 5: Solve for x
    x = 22,875,301,767.33/152,890.20
  6. Step 6: Final answer
    x = 149,619.15

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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.