Home / 119,333.27-178,990.50-69,381.47

Finding the Fourth Proportional to 119,333.27, 178,990.50 and 69,381.47

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Solution

The fourth proportional to 119,333.27, 178,990.50 and 69,381.47 is: 104,066.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,333.27 : 178,990.50 = 69,381.47 : x
  2. Step 2: Convert to fraction form
    119,333.27/178,990.50 = 69,381.47/x
  3. Step 3: Cross multiply
    119,333.27x = 178,990.50 × 69,381.47
  4. Step 4: Simplify right side
    119,333.27x = 12,418,624,006.04
  5. Step 5: Solve for x
    x = 12,418,624,006.04/119,333.27
  6. Step 6: Final answer
    x = 104,066.74

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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.