Home / 145,778.60-218,667.02-37,707.96

Finding the Fourth Proportional to 145,778.60, 218,667.02 and 37,707.96

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Solution

The fourth proportional to 145,778.60, 218,667.02 and 37,707.96 is: 56,561.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,778.60 : 218,667.02 = 37,707.96 : x
  2. Step 2: Convert to fraction form
    145,778.60/218,667.02 = 37,707.96/x
  3. Step 3: Cross multiply
    145,778.60x = 218,667.02 × 37,707.96
  4. Step 4: Simplify right side
    145,778.60x = 8,245,487,054.94
  5. Step 5: Solve for x
    x = 8,245,487,054.94/145,778.60
  6. Step 6: Final answer
    x = 56,561.71

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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.