Home / 175,910.37-242,780.81-130,726.95

Finding the Fourth Proportional to 175,910.37, 242,780.81 and 130,726.95

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Solution

The fourth proportional to 175,910.37, 242,780.81 and 130,726.95 is: 180,421.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,910.37 : 242,780.81 = 130,726.95 : x
  2. Step 2: Convert to fraction form
    175,910.37/242,780.81 = 130,726.95/x
  3. Step 3: Cross multiply
    175,910.37x = 242,780.81 × 130,726.95
  4. Step 4: Simplify right side
    175,910.37x = 31,737,994,156.19
  5. Step 5: Solve for x
    x = 31,737,994,156.19/175,910.37
  6. Step 6: Final answer
    x = 180,421.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.