Home / 145,336.16-218,002.08-40,152.80

Finding the Fourth Proportional to 145,336.16, 218,002.08 and 40,152.80

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Solution

The fourth proportional to 145,336.16, 218,002.08 and 40,152.80 is: 60,228.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,336.16 : 218,002.08 = 40,152.80 : x
  2. Step 2: Convert to fraction form
    145,336.16/218,002.08 = 40,152.80/x
  3. Step 3: Cross multiply
    145,336.16x = 218,002.08 × 40,152.80
  4. Step 4: Simplify right side
    145,336.16x = 8,753,393,917.82
  5. Step 5: Solve for x
    x = 8,753,393,917.82/145,336.16
  6. Step 6: Final answer
    x = 60,228.60

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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.