Home / 148,035.40-221,615.70-130,539.40

Finding the Fourth Proportional to 148,035.40, 221,615.70 and 130,539.40

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Solution

The fourth proportional to 148,035.40, 221,615.70 and 130,539.40 is: 195,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,035.40 : 221,615.70 = 130,539.40 : x
  2. Step 2: Convert to fraction form
    148,035.40/221,615.70 = 130,539.40/x
  3. Step 3: Cross multiply
    148,035.40x = 221,615.70 × 130,539.40
  4. Step 4: Simplify right side
    148,035.40x = 28,929,580,508.58
  5. Step 5: Solve for x
    x = 28,929,580,508.58/148,035.40
  6. Step 6: Final answer
    x = 195,423.40

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1.5x scale

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.