Home / 145,741.86-218,612.79-40,569.03

Finding the Fourth Proportional to 145,741.86, 218,612.79 and 40,569.03

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Solution

The fourth proportional to 145,741.86, 218,612.79 and 40,569.03 is: 60,853.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,741.86 : 218,612.79 = 40,569.03 : x
  2. Step 2: Convert to fraction form
    145,741.86/218,612.79 = 40,569.03/x
  3. Step 3: Cross multiply
    145,741.86x = 218,612.79 × 40,569.03
  4. Step 4: Simplify right side
    145,741.86x = 8,868,908,835.89
  5. Step 5: Solve for x
    x = 8,868,908,835.89/145,741.86
  6. Step 6: Final answer
    x = 60,853.55

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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.