Home / 148,368.40-204,744.10-87,113.58

Finding the Fourth Proportional to 148,368.40, 204,744.10 and 87,113.58

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Solution

The fourth proportional to 148,368.40, 204,744.10 and 87,113.58 is: 120,214.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,368.40 : 204,744.10 = 87,113.58 : x
  2. Step 2: Convert to fraction form
    148,368.40/204,744.10 = 87,113.58/x
  3. Step 3: Cross multiply
    148,368.40x = 204,744.10 × 87,113.58
  4. Step 4: Simplify right side
    148,368.40x = 17,835,991,534.88
  5. Step 5: Solve for x
    x = 17,835,991,534.88/148,368.40
  6. Step 6: Final answer
    x = 120,214.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.