Home / 145,948.40-218,906.10-39,340.28

Finding the Fourth Proportional to 145,948.40, 218,906.10 and 39,340.28

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Solution

The fourth proportional to 145,948.40, 218,906.10 and 39,340.28 is: 59,005.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,948.40 : 218,906.10 = 39,340.28 : x
  2. Step 2: Convert to fraction form
    145,948.40/218,906.10 = 39,340.28/x
  3. Step 3: Cross multiply
    145,948.40x = 218,906.10 × 39,340.28
  4. Step 4: Simplify right side
    145,948.40x = 8,611,827,267.71
  5. Step 5: Solve for x
    x = 8,611,827,267.71/145,948.40
  6. Step 6: Final answer
    x = 59,005.97

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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.