Home / 74,102.04-102,236.58-42,264.72

Finding the Fourth Proportional to 74,102.04, 102,236.58 and 42,264.72

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Solution

The fourth proportional to 74,102.04, 102,236.58 and 42,264.72 is: 58,311.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,102.04 : 102,236.58 = 42,264.72 : x
  2. Step 2: Convert to fraction form
    74,102.04/102,236.58 = 42,264.72/x
  3. Step 3: Cross multiply
    74,102.04x = 102,236.58 × 42,264.72
  4. Step 4: Simplify right side
    74,102.04x = 4,321,000,427.46
  5. Step 5: Solve for x
    x = 4,321,000,427.46/74,102.04
  6. Step 6: Final answer
    x = 58,311.49

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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.