Home / 140,320.88-193,585.47-103,615.04

Finding the Fourth Proportional to 140,320.88, 193,585.47 and 103,615.04

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Solution

The fourth proportional to 140,320.88, 193,585.47 and 103,615.04 is: 142,946.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,320.88 : 193,585.47 = 103,615.04 : x
  2. Step 2: Convert to fraction form
    140,320.88/193,585.47 = 103,615.04/x
  3. Step 3: Cross multiply
    140,320.88x = 193,585.47 × 103,615.04
  4. Step 4: Simplify right side
    140,320.88x = 20,058,366,217.47
  5. Step 5: Solve for x
    x = 20,058,366,217.47/140,320.88
  6. Step 6: Final answer
    x = 142,946.41

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1.5x scale

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.