Home / 147,538.60-221,307.90-40,922.35

Finding the Fourth Proportional to 147,538.60, 221,307.90 and 40,922.35

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Solution

The fourth proportional to 147,538.60, 221,307.90 and 40,922.35 is: 61,383.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,538.60 : 221,307.90 = 40,922.35 : x
  2. Step 2: Convert to fraction form
    147,538.60/221,307.90 = 40,922.35/x
  3. Step 3: Cross multiply
    147,538.60x = 221,307.90 × 40,922.35
  4. Step 4: Simplify right side
    147,538.60x = 9,056,439,341.57
  5. Step 5: Solve for x
    x = 9,056,439,341.57/147,538.60
  6. Step 6: Final answer
    x = 61,383.53

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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.