Home / 145,434.20-218,150.90-45,594.82

Finding the Fourth Proportional to 145,434.20, 218,150.90 and 45,594.82

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Solution

The fourth proportional to 145,434.20, 218,150.90 and 45,594.82 is: 68,392.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,434.20 : 218,150.90 = 45,594.82 : x
  2. Step 2: Convert to fraction form
    145,434.20/218,150.90 = 45,594.82/x
  3. Step 3: Cross multiply
    145,434.20x = 218,150.90 × 45,594.82
  4. Step 4: Simplify right side
    145,434.20x = 9,946,549,699.61
  5. Step 5: Solve for x
    x = 9,946,549,699.61/145,434.20
  6. Step 6: Final answer
    x = 68,392.10

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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.