Home / 89,614.50-134,421.75-31,246.50

Finding the Fourth Proportional to 89,614.50, 134,421.75 and 31,246.50

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Solution

The fourth proportional to 89,614.50, 134,421.75 and 31,246.50 is: 46,869.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,614.50 : 134,421.75 = 31,246.50 : x
  2. Step 2: Convert to fraction form
    89,614.50/134,421.75 = 31,246.50/x
  3. Step 3: Cross multiply
    89,614.50x = 134,421.75 × 31,246.50
  4. Step 4: Simplify right side
    89,614.50x = 4,200,209,211.38
  5. Step 5: Solve for x
    x = 4,200,209,211.38/89,614.50
  6. Step 6: Final answer
    x = 46,869.75

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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.