Home / 147,278.81-203,244.76-80,210.81

Finding the Fourth Proportional to 147,278.81, 203,244.76 and 80,210.81

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Solution

The fourth proportional to 147,278.81, 203,244.76 and 80,210.81 is: 110,690.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,278.81 : 203,244.76 = 80,210.81 : x
  2. Step 2: Convert to fraction form
    147,278.81/203,244.76 = 80,210.81/x
  3. Step 3: Cross multiply
    147,278.81x = 203,244.76 × 80,210.81
  4. Step 4: Simplify right side
    147,278.81x = 16,302,427,436.23
  5. Step 5: Solve for x
    x = 16,302,427,436.23/147,278.81
  6. Step 6: Final answer
    x = 110,690.92

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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.