Home / 145,547.80-218,252.55-50,766.47

Finding the Fourth Proportional to 145,547.80, 218,252.55 and 50,766.47

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Solution

The fourth proportional to 145,547.80, 218,252.55 and 50,766.47 is: 76,125.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,547.80 : 218,252.55 = 50,766.47 : x
  2. Step 2: Convert to fraction form
    145,547.80/218,252.55 = 50,766.47/x
  3. Step 3: Cross multiply
    145,547.80x = 218,252.55 × 50,766.47
  4. Step 4: Simplify right side
    145,547.80x = 11,079,911,449.56
  5. Step 5: Solve for x
    x = 11,079,911,449.56/145,547.80
  6. Step 6: Final answer
    x = 76,125.59

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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.