Home / 74,077.02-102,206.07-42,234.30

Finding the Fourth Proportional to 74,077.02, 102,206.07 and 42,234.30

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Solution

The fourth proportional to 74,077.02, 102,206.07 and 42,234.30 is: 58,271.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,077.02 : 102,206.07 = 42,234.30 : x
  2. Step 2: Convert to fraction form
    74,077.02/102,206.07 = 42,234.30/x
  3. Step 3: Cross multiply
    74,077.02x = 102,206.07 × 42,234.30
  4. Step 4: Simplify right side
    74,077.02x = 4,316,601,822.20
  5. Step 5: Solve for x
    x = 4,316,601,822.20/74,077.02
  6. Step 6: Final answer
    x = 58,271.81

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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.