Home / 155,717.28-213,488.34-152,879.70

Finding the Fourth Proportional to 155,717.28, 213,488.34 and 152,879.70

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Solution

The fourth proportional to 155,717.28, 213,488.34 and 152,879.70 is: 209,598.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,717.28 : 213,488.34 = 152,879.70 : x
  2. Step 2: Convert to fraction form
    155,717.28/213,488.34 = 152,879.70/x
  3. Step 3: Cross multiply
    155,717.28x = 213,488.34 × 152,879.70
  4. Step 4: Simplify right side
    155,717.28x = 32,638,033,372.70
  5. Step 5: Solve for x
    x = 32,638,033,372.70/155,717.28
  6. Step 6: Final answer
    x = 209,598.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.