Home / 120,870.29-181,305.43-45,973.14

Finding the Fourth Proportional to 120,870.29, 181,305.43 and 45,973.14

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Solution

The fourth proportional to 120,870.29, 181,305.43 and 45,973.14 is: 68,959.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,870.29 : 181,305.43 = 45,973.14 : x
  2. Step 2: Convert to fraction form
    120,870.29/181,305.43 = 45,973.14/x
  3. Step 3: Cross multiply
    120,870.29x = 181,305.43 × 45,973.14
  4. Step 4: Simplify right side
    120,870.29x = 8,335,178,779.76
  5. Step 5: Solve for x
    x = 8,335,178,779.76/120,870.29
  6. Step 6: Final answer
    x = 68,959.70

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1.5x scale

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.