Home / 175,688.47-263,437.92-91,240.30

Finding the Fourth Proportional to 175,688.47, 263,437.92 and 91,240.30

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Solution

The fourth proportional to 175,688.47, 263,437.92 and 91,240.30 is: 136,811.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,688.47 : 263,437.92 = 91,240.30 : x
  2. Step 2: Convert to fraction form
    175,688.47/263,437.92 = 91,240.30/x
  3. Step 3: Cross multiply
    175,688.47x = 263,437.92 × 91,240.30
  4. Step 4: Simplify right side
    175,688.47x = 24,036,154,852.18
  5. Step 5: Solve for x
    x = 24,036,154,852.18/175,688.47
  6. Step 6: Final answer
    x = 136,811.23

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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.