Home / 170,988.48-257,649.84-140,506.56

Finding the Fourth Proportional to 170,988.48, 257,649.84 and 140,506.56

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Solution

The fourth proportional to 170,988.48, 257,649.84 and 140,506.56 is: 211,718.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,988.48 : 257,649.84 = 140,506.56 : x
  2. Step 2: Convert to fraction form
    170,988.48/257,649.84 = 140,506.56/x
  3. Step 3: Cross multiply
    170,988.48x = 257,649.84 × 140,506.56
  4. Step 4: Simplify right side
    170,988.48x = 36,201,492,702.95
  5. Step 5: Solve for x
    x = 36,201,492,702.95/170,988.48
  6. Step 6: Final answer
    x = 211,718.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.