Home / 170,729.36-235,648.80-103,717.52

Finding the Fourth Proportional to 170,729.36, 235,648.80 and 103,717.52

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Solution

The fourth proportional to 170,729.36, 235,648.80 and 103,717.52 is: 143,155.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,729.36 : 235,648.80 = 103,717.52 : x
  2. Step 2: Convert to fraction form
    170,729.36/235,648.80 = 103,717.52/x
  3. Step 3: Cross multiply
    170,729.36x = 235,648.80 × 103,717.52
  4. Step 4: Simplify right side
    170,729.36x = 24,440,909,126.98
  5. Step 5: Solve for x
    x = 24,440,909,126.98/170,729.36
  6. Step 6: Final answer
    x = 143,155.86

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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.