Home / 145,780.86-218,540.06-52,264.74

Finding the Fourth Proportional to 145,780.86, 218,540.06 and 52,264.74

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Solution

The fourth proportional to 145,780.86, 218,540.06 and 52,264.74 is: 78,350.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,780.86 : 218,540.06 = 52,264.74 : x
  2. Step 2: Convert to fraction form
    145,780.86/218,540.06 = 52,264.74/x
  3. Step 3: Cross multiply
    145,780.86x = 218,540.06 × 52,264.74
  4. Step 4: Simplify right side
    145,780.86x = 11,421,939,415.48
  5. Step 5: Solve for x
    x = 11,421,939,415.48/145,780.86
  6. Step 6: Final answer
    x = 78,350.06

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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.