Home / 86,123.08-129,176.26-26,152.07

Finding the Fourth Proportional to 86,123.08, 129,176.26 and 26,152.07

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Solution

The fourth proportional to 86,123.08, 129,176.26 and 26,152.07 is: 39,225.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,123.08 : 129,176.26 = 26,152.07 : x
  2. Step 2: Convert to fraction form
    86,123.08/129,176.26 = 26,152.07/x
  3. Step 3: Cross multiply
    86,123.08x = 129,176.26 × 26,152.07
  4. Step 4: Simplify right side
    86,123.08x = 3,378,226,719.54
  5. Step 5: Solve for x
    x = 3,378,226,719.54/86,123.08
  6. Step 6: Final answer
    x = 39,225.57

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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.