Home / 145,437.07-218,160.38-40,247.23

Finding the Fourth Proportional to 145,437.07, 218,160.38 and 40,247.23

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Solution

The fourth proportional to 145,437.07, 218,160.38 and 40,247.23 is: 60,372.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,437.07 : 218,160.38 = 40,247.23 : x
  2. Step 2: Convert to fraction form
    145,437.07/218,160.38 = 40,247.23/x
  3. Step 3: Cross multiply
    145,437.07x = 218,160.38 × 40,247.23
  4. Step 4: Simplify right side
    145,437.07x = 8,780,350,990.75
  5. Step 5: Solve for x
    x = 8,780,350,990.75/145,437.07
  6. Step 6: Final answer
    x = 60,372.17

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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.