Home / 145,562.63-218,344.04-40,381.70

Finding the Fourth Proportional to 145,562.63, 218,344.04 and 40,381.70

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Solution

The fourth proportional to 145,562.63, 218,344.04 and 40,381.70 is: 60,572.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,562.63 : 218,344.04 = 40,381.70 : x
  2. Step 2: Convert to fraction form
    145,562.63/218,344.04 = 40,381.70/x
  3. Step 3: Cross multiply
    145,562.63x = 218,344.04 × 40,381.70
  4. Step 4: Simplify right side
    145,562.63x = 8,817,102,377.87
  5. Step 5: Solve for x
    x = 8,817,102,377.87/145,562.63
  6. Step 6: Final answer
    x = 60,572.57

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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.