Home / 145,280.28-200,503.02-87,951.19

Finding the Fourth Proportional to 145,280.28, 200,503.02 and 87,951.19

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Solution

The fourth proportional to 145,280.28, 200,503.02 and 87,951.19 is: 121,382.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,280.28 : 200,503.02 = 87,951.19 : x
  2. Step 2: Convert to fraction form
    145,280.28/200,503.02 = 87,951.19/x
  3. Step 3: Cross multiply
    145,280.28x = 200,503.02 × 87,951.19
  4. Step 4: Simplify right side
    145,280.28x = 17,634,479,207.59
  5. Step 5: Solve for x
    x = 17,634,479,207.59/145,280.28
  6. Step 6: Final answer
    x = 121,382.47

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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.