Home / 145,444.80-218,166.40-40,263.04

Finding the Fourth Proportional to 145,444.80, 218,166.40 and 40,263.04

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Solution

The fourth proportional to 145,444.80, 218,166.40 and 40,263.04 is: 60,394.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,444.80 : 218,166.40 = 40,263.04 : x
  2. Step 2: Convert to fraction form
    145,444.80/218,166.40 = 40,263.04/x
  3. Step 3: Cross multiply
    145,444.80x = 218,166.40 × 40,263.04
  4. Step 4: Simplify right side
    145,444.80x = 8,784,042,489.86
  5. Step 5: Solve for x
    x = 8,784,042,489.86/145,444.80
  6. Step 6: Final answer
    x = 60,394.34

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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.