Home / 121,507.72-182,429.46-83,975.32

Finding the Fourth Proportional to 121,507.72, 182,429.46 and 83,975.32

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Solution

The fourth proportional to 121,507.72, 182,429.46 and 83,975.32 is: 126,079.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,507.72 : 182,429.46 = 83,975.32 : x
  2. Step 2: Convert to fraction form
    121,507.72/182,429.46 = 83,975.32/x
  3. Step 3: Cross multiply
    121,507.72x = 182,429.46 × 83,975.32
  4. Step 4: Simplify right side
    121,507.72x = 15,319,572,280.93
  5. Step 5: Solve for x
    x = 15,319,572,280.93/121,507.72
  6. Step 6: Final answer
    x = 126,079.00

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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.