Home / 112,136.90-154,752.65-61,152.42

Finding the Fourth Proportional to 112,136.90, 154,752.65 and 61,152.42

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Solution

The fourth proportional to 112,136.90, 154,752.65 and 61,152.42 is: 84,392.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,136.90 : 154,752.65 = 61,152.42 : x
  2. Step 2: Convert to fraction form
    112,136.90/154,752.65 = 61,152.42/x
  3. Step 3: Cross multiply
    112,136.90x = 154,752.65 × 61,152.42
  4. Step 4: Simplify right side
    112,136.90x = 9,463,498,678.80
  5. Step 5: Solve for x
    x = 9,463,498,678.80/112,136.90
  6. Step 6: Final answer
    x = 84,392.37

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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.