Home / 154,136.52-212,701.86-96,805.80

Finding the Fourth Proportional to 154,136.52, 212,701.86 and 96,805.80

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Solution

The fourth proportional to 154,136.52, 212,701.86 and 96,805.80 is: 133,587.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,136.52 : 212,701.86 = 96,805.80 : x
  2. Step 2: Convert to fraction form
    154,136.52/212,701.86 = 96,805.80/x
  3. Step 3: Cross multiply
    154,136.52x = 212,701.86 × 96,805.80
  4. Step 4: Simplify right side
    154,136.52x = 20,590,773,718.79
  5. Step 5: Solve for x
    x = 20,590,773,718.79/154,136.52
  6. Step 6: Final answer
    x = 133,587.90

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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.