Home / 155,638.04-214,781.38-88,570.04

Finding the Fourth Proportional to 155,638.04, 214,781.38 and 88,570.04

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Solution

The fourth proportional to 155,638.04, 214,781.38 and 88,570.04 is: 122,227.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,638.04 : 214,781.38 = 88,570.04 : x
  2. Step 2: Convert to fraction form
    155,638.04/214,781.38 = 88,570.04/x
  3. Step 3: Cross multiply
    155,638.04x = 214,781.38 × 88,570.04
  4. Step 4: Simplify right side
    155,638.04x = 19,023,195,417.86
  5. Step 5: Solve for x
    x = 19,023,195,417.86/155,638.04
  6. Step 6: Final answer
    x = 122,227.16

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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.