Home / 131,155.68-180,994.86-74,570.52

Finding the Fourth Proportional to 131,155.68, 180,994.86 and 74,570.52

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Solution

The fourth proportional to 131,155.68, 180,994.86 and 74,570.52 is: 102,907.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,155.68 : 180,994.86 = 74,570.52 : x
  2. Step 2: Convert to fraction form
    131,155.68/180,994.86 = 74,570.52/x
  3. Step 3: Cross multiply
    131,155.68x = 180,994.86 × 74,570.52
  4. Step 4: Simplify right side
    131,155.68x = 13,496,880,827.53
  5. Step 5: Solve for x
    x = 13,496,880,827.53/131,155.68
  6. Step 6: Final answer
    x = 102,907.33

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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.