Home / 134,030.92-184,966.98-77,442.28

Finding the Fourth Proportional to 134,030.92, 184,966.98 and 77,442.28

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Solution

The fourth proportional to 134,030.92, 184,966.98 and 77,442.28 is: 106,872.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,030.92 : 184,966.98 = 77,442.28 : x
  2. Step 2: Convert to fraction form
    134,030.92/184,966.98 = 77,442.28/x
  3. Step 3: Cross multiply
    134,030.92x = 184,966.98 × 77,442.28
  4. Step 4: Simplify right side
    134,030.92x = 14,324,264,655.91
  5. Step 5: Solve for x
    x = 14,324,264,655.91/134,030.92
  6. Step 6: Final answer
    x = 106,872.84

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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.