Home / 91,430.30-126,183.33-52,669.46

Finding the Fourth Proportional to 91,430.30, 126,183.33 and 52,669.46

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Solution

The fourth proportional to 91,430.30, 126,183.33 and 52,669.46 is: 72,689.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,430.30 : 126,183.33 = 52,669.46 : x
  2. Step 2: Convert to fraction form
    91,430.30/126,183.33 = 52,669.46/x
  3. Step 3: Cross multiply
    91,430.30x = 126,183.33 × 52,669.46
  4. Step 4: Simplify right side
    91,430.30x = 6,646,007,852.10
  5. Step 5: Solve for x
    x = 6,646,007,852.10/91,430.30
  6. Step 6: Final answer
    x = 72,689.34

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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.