Home / 172,301.23-258,417.77-163,756.78

Finding the Fourth Proportional to 172,301.23, 258,417.77 and 163,756.78

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Solution

The fourth proportional to 172,301.23, 258,417.77 and 163,756.78 is: 245,602.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,301.23 : 258,417.77 = 163,756.78 : x
  2. Step 2: Convert to fraction form
    172,301.23/258,417.77 = 163,756.78/x
  3. Step 3: Cross multiply
    172,301.23x = 258,417.77 × 163,756.78
  4. Step 4: Simplify right side
    172,301.23x = 42,317,660,445.15
  5. Step 5: Solve for x
    x = 42,317,660,445.15/172,301.23
  6. Step 6: Final answer
    x = 245,602.77

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1.5x scale

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.