Home / 124,690.61-172,081.82-70,975.62

Finding the Fourth Proportional to 124,690.61, 172,081.82 and 70,975.62

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Solution

The fourth proportional to 124,690.61, 172,081.82 and 70,975.62 is: 97,951.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,690.61 : 172,081.82 = 70,975.62 : x
  2. Step 2: Convert to fraction form
    124,690.61/172,081.82 = 70,975.62/x
  3. Step 3: Cross multiply
    124,690.61x = 172,081.82 × 70,975.62
  4. Step 4: Simplify right side
    124,690.61x = 12,213,614,042.67
  5. Step 5: Solve for x
    x = 12,213,614,042.67/124,690.61
  6. Step 6: Final answer
    x = 97,951.35

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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.