Home / 105,008.80-157,514.40-26,123.20

Finding the Fourth Proportional to 105,008.80, 157,514.40 and 26,123.20

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Solution

The fourth proportional to 105,008.80, 157,514.40 and 26,123.20 is: 39,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,008.80 : 157,514.40 = 26,123.20 : x
  2. Step 2: Convert to fraction form
    105,008.80/157,514.40 = 26,123.20/x
  3. Step 3: Cross multiply
    105,008.80x = 157,514.40 × 26,123.20
  4. Step 4: Simplify right side
    105,008.80x = 4,114,780,174.08
  5. Step 5: Solve for x
    x = 4,114,780,174.08/105,008.80
  6. Step 6: Final answer
    x = 39,185.10

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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.