Home / 155,153.13-214,111.52-88,085.13

Finding the Fourth Proportional to 155,153.13, 214,111.52 and 88,085.13

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Solution

The fourth proportional to 155,153.13, 214,111.52 and 88,085.13 is: 121,557.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,153.13 : 214,111.52 = 88,085.13 : x
  2. Step 2: Convert to fraction form
    155,153.13/214,111.52 = 88,085.13/x
  3. Step 3: Cross multiply
    155,153.13x = 214,111.52 × 88,085.13
  4. Step 4: Simplify right side
    155,153.13x = 18,860,041,073.70
  5. Step 5: Solve for x
    x = 18,860,041,073.70/155,153.13
  6. Step 6: Final answer
    x = 121,557.59

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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.