Home / 89,724.30-134,420.40-52,302.30

Finding the Fourth Proportional to 89,724.30, 134,420.40 and 52,302.30

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Solution

The fourth proportional to 89,724.30, 134,420.40 and 52,302.30 is: 78,356.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,724.30 : 134,420.40 = 52,302.30 : x
  2. Step 2: Convert to fraction form
    89,724.30/134,420.40 = 52,302.30/x
  3. Step 3: Cross multiply
    89,724.30x = 134,420.40 × 52,302.30
  4. Step 4: Simplify right side
    89,724.30x = 7,030,496,086.92
  5. Step 5: Solve for x
    x = 7,030,496,086.92/89,724.30
  6. Step 6: Final answer
    x = 78,356.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.