Home / 121,536.12-182,303.91-42,672.90

Finding the Fourth Proportional to 121,536.12, 182,303.91 and 42,672.90

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Solution

The fourth proportional to 121,536.12, 182,303.91 and 42,672.90 is: 64,009.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,536.12 : 182,303.91 = 42,672.90 : x
  2. Step 2: Convert to fraction form
    121,536.12/182,303.91 = 42,672.90/x
  3. Step 3: Cross multiply
    121,536.12x = 182,303.91 × 42,672.90
  4. Step 4: Simplify right side
    121,536.12x = 7,779,436,521.04
  5. Step 5: Solve for x
    x = 7,779,436,521.04/121,536.12
  6. Step 6: Final answer
    x = 64,009.26

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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.