Home / 170,220.79-234,890.17-94,776.31

Finding the Fourth Proportional to 170,220.79, 234,890.17 and 94,776.31

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Solution

The fourth proportional to 170,220.79, 234,890.17 and 94,776.31 is: 130,783.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,220.79 : 234,890.17 = 94,776.31 : x
  2. Step 2: Convert to fraction form
    170,220.79/234,890.17 = 94,776.31/x
  3. Step 3: Cross multiply
    170,220.79x = 234,890.17 × 94,776.31
  4. Step 4: Simplify right side
    170,220.79x = 22,262,023,567.87
  5. Step 5: Solve for x
    x = 22,262,023,567.87/170,220.79
  6. Step 6: Final answer
    x = 130,783.22

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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.