Home / 145,683.13-218,524.70-52,254.49

Finding the Fourth Proportional to 145,683.13, 218,524.70 and 52,254.49

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Solution

The fourth proportional to 145,683.13, 218,524.70 and 52,254.49 is: 78,381.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,683.13 : 218,524.70 = 52,254.49 : x
  2. Step 2: Convert to fraction form
    145,683.13/218,524.70 = 52,254.49/x
  3. Step 3: Cross multiply
    145,683.13x = 218,524.70 × 52,254.49
  4. Step 4: Simplify right side
    145,683.13x = 11,418,896,750.90
  5. Step 5: Solve for x
    x = 11,418,896,750.90/145,683.13
  6. Step 6: Final answer
    x = 78,381.74

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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.