Home / 145,292.94-200,528.04-121,055.46

Finding the Fourth Proportional to 145,292.94, 200,528.04 and 121,055.46

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Solution

The fourth proportional to 145,292.94, 200,528.04 and 121,055.46 is: 167,076.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,292.94 : 200,528.04 = 121,055.46 : x
  2. Step 2: Convert to fraction form
    145,292.94/200,528.04 = 121,055.46/x
  3. Step 3: Cross multiply
    145,292.94x = 200,528.04 × 121,055.46
  4. Step 4: Simplify right side
    145,292.94x = 24,275,014,125.10
  5. Step 5: Solve for x
    x = 24,275,014,125.10/145,292.94
  6. Step 6: Final answer
    x = 167,076.35

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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.