Home / 145,559.89-218,337.78-45,726.07

Finding the Fourth Proportional to 145,559.89, 218,337.78 and 45,726.07

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Solution

The fourth proportional to 145,559.89, 218,337.78 and 45,726.07 is: 68,588.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,559.89 : 218,337.78 = 45,726.07 : x
  2. Step 2: Convert to fraction form
    145,559.89/218,337.78 = 45,726.07/x
  3. Step 3: Cross multiply
    145,559.89x = 218,337.78 × 45,726.07
  4. Step 4: Simplify right side
    145,559.89x = 9,983,728,389.73
  5. Step 5: Solve for x
    x = 9,983,728,389.73/145,559.89
  6. Step 6: Final answer
    x = 68,588.46

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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.