Home / 137,502.04-189,737.60-76,246.69

Finding the Fourth Proportional to 137,502.04, 189,737.60 and 76,246.69

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Solution

The fourth proportional to 137,502.04, 189,737.60 and 76,246.69 is: 105,212.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,502.04 : 189,737.60 = 76,246.69 : x
  2. Step 2: Convert to fraction form
    137,502.04/189,737.60 = 76,246.69/x
  3. Step 3: Cross multiply
    137,502.04x = 189,737.60 × 76,246.69
  4. Step 4: Simplify right side
    137,502.04x = 14,466,863,968.54
  5. Step 5: Solve for x
    x = 14,466,863,968.54/137,502.04
  6. Step 6: Final answer
    x = 105,212.00

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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.