Home / 151,827.21-209,505.65-88,152.57

Finding the Fourth Proportional to 151,827.21, 209,505.65 and 88,152.57

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Solution

The fourth proportional to 151,827.21, 209,505.65 and 88,152.57 is: 121,641.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,827.21 : 209,505.65 = 88,152.57 : x
  2. Step 2: Convert to fraction form
    151,827.21/209,505.65 = 88,152.57/x
  3. Step 3: Cross multiply
    151,827.21x = 209,505.65 × 88,152.57
  4. Step 4: Simplify right side
    151,827.21x = 18,468,461,036.26
  5. Step 5: Solve for x
    x = 18,468,461,036.26/151,827.21
  6. Step 6: Final answer
    x = 121,641.31

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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.