Home / 145,443.32-218,165.28-40,262.60

Finding the Fourth Proportional to 145,443.32, 218,165.28 and 40,262.60

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Solution

The fourth proportional to 145,443.32, 218,165.28 and 40,262.60 is: 60,393.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,443.32 : 218,165.28 = 40,262.60 : x
  2. Step 2: Convert to fraction form
    145,443.32/218,165.28 = 40,262.60/x
  3. Step 3: Cross multiply
    145,443.32x = 218,165.28 × 40,262.60
  4. Step 4: Simplify right side
    145,443.32x = 8,783,901,402.53
  5. Step 5: Solve for x
    x = 8,783,901,402.53/145,443.32
  6. Step 6: Final answer
    x = 60,393.98

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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.