Home / 121,408.07-182,001.16-42,479.24

Finding the Fourth Proportional to 121,408.07, 182,001.16 and 42,479.24

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Solution

The fourth proportional to 121,408.07, 182,001.16 and 42,479.24 is: 63,680.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,408.07 : 182,001.16 = 42,479.24 : x
  2. Step 2: Convert to fraction form
    121,408.07/182,001.16 = 42,479.24/x
  3. Step 3: Cross multiply
    121,408.07x = 182,001.16 × 42,479.24
  4. Step 4: Simplify right side
    121,408.07x = 7,731,271,122.77
  5. Step 5: Solve for x
    x = 7,731,271,122.77/121,408.07
  6. Step 6: Final answer
    x = 63,680.04

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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.