Home / 166,966.02-230,718.60-121,565.16

Finding the Fourth Proportional to 166,966.02, 230,718.60 and 121,565.16

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Solution

The fourth proportional to 166,966.02, 230,718.60 and 121,565.16 is: 167,982.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,966.02 : 230,718.60 = 121,565.16 : x
  2. Step 2: Convert to fraction form
    166,966.02/230,718.60 = 121,565.16/x
  3. Step 3: Cross multiply
    166,966.02x = 230,718.60 × 121,565.16
  4. Step 4: Simplify right side
    166,966.02x = 28,047,343,523.98
  5. Step 5: Solve for x
    x = 28,047,343,523.98/166,966.02
  6. Step 6: Final answer
    x = 167,982.34

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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.