Home / 136,118.08-187,893.76-79,547.52

Finding the Fourth Proportional to 136,118.08, 187,893.76 and 79,547.52

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Solution

The fourth proportional to 136,118.08, 187,893.76 and 79,547.52 is: 109,805.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,118.08 : 187,893.76 = 79,547.52 : x
  2. Step 2: Convert to fraction form
    136,118.08/187,893.76 = 79,547.52/x
  3. Step 3: Cross multiply
    136,118.08x = 187,893.76 × 79,547.52
  4. Step 4: Simplify right side
    136,118.08x = 14,946,482,631.48
  5. Step 5: Solve for x
    x = 14,946,482,631.48/136,118.08
  6. Step 6: Final answer
    x = 109,805.27

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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.