Home / 135,780.96-187,339.44-88,036.32

Finding the Fourth Proportional to 135,780.96, 187,339.44 and 88,036.32

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Solution

The fourth proportional to 135,780.96, 187,339.44 and 88,036.32 is: 121,465.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,780.96 : 187,339.44 = 88,036.32 : x
  2. Step 2: Convert to fraction form
    135,780.96/187,339.44 = 88,036.32/x
  3. Step 3: Cross multiply
    135,780.96x = 187,339.44 × 88,036.32
  4. Step 4: Simplify right side
    135,780.96x = 16,492,674,888.46
  5. Step 5: Solve for x
    x = 16,492,674,888.46/135,780.96
  6. Step 6: Final answer
    x = 121,465.30

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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.