Home / 145,056.32-200,126.40-94,784.48

Finding the Fourth Proportional to 145,056.32, 200,126.40 and 94,784.48

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Solution

The fourth proportional to 145,056.32, 200,126.40 and 94,784.48 is: 130,769.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,056.32 : 200,126.40 = 94,784.48 : x
  2. Step 2: Convert to fraction form
    145,056.32/200,126.40 = 94,784.48/x
  3. Step 3: Cross multiply
    145,056.32x = 200,126.40 × 94,784.48
  4. Step 4: Simplify right side
    145,056.32x = 18,968,876,758.27
  5. Step 5: Solve for x
    x = 18,968,876,758.27/145,056.32
  6. Step 6: Final answer
    x = 130,769.05

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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.