Home / 461,275.75-692,030.27-128,851.75

Finding the Fourth Proportional to 461,275.75, 692,030.27 and 128,851.75

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Solution

The fourth proportional to 461,275.75, 692,030.27 and 128,851.75 is: 193,310.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,275.75 : 692,030.27 = 128,851.75 : x
  2. Step 2: Convert to fraction form
    461,275.75/692,030.27 = 128,851.75/x
  3. Step 3: Cross multiply
    461,275.75x = 692,030.27 × 128,851.75
  4. Step 4: Simplify right side
    461,275.75x = 89,169,311,342.47
  5. Step 5: Solve for x
    x = 89,169,311,342.47/461,275.75
  6. Step 6: Final answer
    x = 193,310.21

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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.