Home / 145,278.41-200,465.55-84,805.29

Finding the Fourth Proportional to 145,278.41, 200,465.55 and 84,805.29

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Solution

The fourth proportional to 145,278.41, 200,465.55 and 84,805.29 is: 117,020.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,278.41 : 200,465.55 = 84,805.29 : x
  2. Step 2: Convert to fraction form
    145,278.41/200,465.55 = 84,805.29/x
  3. Step 3: Cross multiply
    145,278.41x = 200,465.55 × 84,805.29
  4. Step 4: Simplify right side
    145,278.41x = 17,000,539,102.76
  5. Step 5: Solve for x
    x = 17,000,539,102.76/145,278.41
  6. Step 6: Final answer
    x = 117,020.41

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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.