Home / 101,341.28-152,000.40-31,214.72

Finding the Fourth Proportional to 101,341.28, 152,000.40 and 31,214.72

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Solution

The fourth proportional to 101,341.28, 152,000.40 and 31,214.72 is: 46,818.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,341.28 : 152,000.40 = 31,214.72 : x
  2. Step 2: Convert to fraction form
    101,341.28/152,000.40 = 31,214.72/x
  3. Step 3: Cross multiply
    101,341.28x = 152,000.40 × 31,214.72
  4. Step 4: Simplify right side
    101,341.28x = 4,744,649,925.89
  5. Step 5: Solve for x
    x = 4,744,649,925.89/101,341.28
  6. Step 6: Final answer
    x = 46,818.53

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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.