Home / 145,425.40-218,150.52-40,244.20

Finding the Fourth Proportional to 145,425.40, 218,150.52 and 40,244.20

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Solution

The fourth proportional to 145,425.40, 218,150.52 and 40,244.20 is: 60,369.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,425.40 : 218,150.52 = 40,244.20 : x
  2. Step 2: Convert to fraction form
    145,425.40/218,150.52 = 40,244.20/x
  3. Step 3: Cross multiply
    145,425.40x = 218,150.52 × 40,244.20
  4. Step 4: Simplify right side
    145,425.40x = 8,779,293,156.98
  5. Step 5: Solve for x
    x = 8,779,293,156.98/145,425.40
  6. Step 6: Final answer
    x = 60,369.74

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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.