Home / 151,846.31-209,547.93-88,188.21

Finding the Fourth Proportional to 151,846.31, 209,547.93 and 88,188.21

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Solution

The fourth proportional to 151,846.31, 209,547.93 and 88,188.21 is: 121,699.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,846.31 : 209,547.93 = 88,188.21 : x
  2. Step 2: Convert to fraction form
    151,846.31/209,547.93 = 88,188.21/x
  3. Step 3: Cross multiply
    151,846.31x = 209,547.93 × 88,188.21
  4. Step 4: Simplify right side
    151,846.31x = 18,479,656,690.55
  5. Step 5: Solve for x
    x = 18,479,656,690.55/151,846.31
  6. Step 6: Final answer
    x = 121,699.74

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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.