Home / 151,758.72-209,232.47-124,434.21

Finding the Fourth Proportional to 151,758.72, 209,232.47 and 124,434.21

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Solution

The fourth proportional to 151,758.72, 209,232.47 and 124,434.21 is: 171,559.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,758.72 : 209,232.47 = 124,434.21 : x
  2. Step 2: Convert to fraction form
    151,758.72/209,232.47 = 124,434.21/x
  3. Step 3: Cross multiply
    151,758.72x = 209,232.47 × 124,434.21
  4. Step 4: Simplify right side
    151,758.72x = 26,035,676,488.63
  5. Step 5: Solve for x
    x = 26,035,676,488.63/151,758.72
  6. Step 6: Final answer
    x = 171,559.67

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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.