Home / 109,737.87-151,450.56-61,994.30

Finding the Fourth Proportional to 109,737.87, 151,450.56 and 61,994.30

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Solution

The fourth proportional to 109,737.87, 151,450.56 and 61,994.30 is: 85,559.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,737.87 : 151,450.56 = 61,994.30 : x
  2. Step 2: Convert to fraction form
    109,737.87/151,450.56 = 61,994.30/x
  3. Step 3: Cross multiply
    109,737.87x = 151,450.56 × 61,994.30
  4. Step 4: Simplify right side
    109,737.87x = 9,389,071,451.81
  5. Step 5: Solve for x
    x = 9,389,071,451.81/109,737.87
  6. Step 6: Final answer
    x = 85,559.08

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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.