Home / 60,146.40-90,160.04-28,500.50

Finding the Fourth Proportional to 60,146.40, 90,160.04 and 28,500.50

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Solution

The fourth proportional to 60,146.40, 90,160.04 and 28,500.50 is: 42,722.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,146.40 : 90,160.04 = 28,500.50 : x
  2. Step 2: Convert to fraction form
    60,146.40/90,160.04 = 28,500.50/x
  3. Step 3: Cross multiply
    60,146.40x = 90,160.04 × 28,500.50
  4. Step 4: Simplify right side
    60,146.40x = 2,569,606,220.02
  5. Step 5: Solve for x
    x = 2,569,606,220.02/60,146.40
  6. Step 6: Final answer
    x = 42,722.53

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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.