Home / 145,545.61-218,318.41-40,364.58

Finding the Fourth Proportional to 145,545.61, 218,318.41 and 40,364.58

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Solution

The fourth proportional to 145,545.61, 218,318.41 and 40,364.58 is: 60,546.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,545.61 : 218,318.41 = 40,364.58 : x
  2. Step 2: Convert to fraction form
    145,545.61/218,318.41 = 40,364.58/x
  3. Step 3: Cross multiply
    145,545.61x = 218,318.41 × 40,364.58
  4. Step 4: Simplify right side
    145,545.61x = 8,812,330,680.55
  5. Step 5: Solve for x
    x = 8,812,330,680.55/145,545.61
  6. Step 6: Final answer
    x = 60,546.87

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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.