Home / 153,109.09-229,612.54-64,346.05

Finding the Fourth Proportional to 153,109.09, 229,612.54 and 64,346.05

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Solution

The fourth proportional to 153,109.09, 229,612.54 and 64,346.05 is: 96,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,109.09 : 229,612.54 = 64,346.05 : x
  2. Step 2: Convert to fraction form
    153,109.09/229,612.54 = 64,346.05/x
  3. Step 3: Cross multiply
    153,109.09x = 229,612.54 × 64,346.05
  4. Step 4: Simplify right side
    153,109.09x = 14,774,659,657.74
  5. Step 5: Solve for x
    x = 14,774,659,657.74/153,109.09
  6. Step 6: Final answer
    x = 96,497.60

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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.