Home / 147,587.40-221,337.90-52,806.60

Finding the Fourth Proportional to 147,587.40, 221,337.90 and 52,806.60

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Solution

The fourth proportional to 147,587.40, 221,337.90 and 52,806.60 is: 79,194.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,587.40 : 221,337.90 = 52,806.60 : x
  2. Step 2: Convert to fraction form
    147,587.40/221,337.90 = 52,806.60/x
  3. Step 3: Cross multiply
    147,587.40x = 221,337.90 × 52,806.60
  4. Step 4: Simplify right side
    147,587.40x = 11,688,101,950.14
  5. Step 5: Solve for x
    x = 11,688,101,950.14/147,587.40
  6. Step 6: Final answer
    x = 79,194.44

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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.