Home / 132,219.56-182,444.63-77,774.19

Finding the Fourth Proportional to 132,219.56, 182,444.63 and 77,774.19

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Solution

The fourth proportional to 132,219.56, 182,444.63 and 77,774.19 is: 107,317.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,219.56 : 182,444.63 = 77,774.19 : x
  2. Step 2: Convert to fraction form
    132,219.56/182,444.63 = 77,774.19/x
  3. Step 3: Cross multiply
    132,219.56x = 182,444.63 × 77,774.19
  4. Step 4: Simplify right side
    132,219.56x = 14,189,482,929.23
  5. Step 5: Solve for x
    x = 14,189,482,929.23/132,219.56
  6. Step 6: Final answer
    x = 107,317.58

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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.