Home / 155,707.22-214,875.95-84,087.23

Finding the Fourth Proportional to 155,707.22, 214,875.95 and 84,087.23

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Solution

The fourth proportional to 155,707.22, 214,875.95 and 84,087.23 is: 116,040.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,707.22 : 214,875.95 = 84,087.23 : x
  2. Step 2: Convert to fraction form
    155,707.22/214,875.95 = 84,087.23/x
  3. Step 3: Cross multiply
    155,707.22x = 214,875.95 × 84,087.23
  4. Step 4: Simplify right side
    155,707.22x = 18,068,323,534.23
  5. Step 5: Solve for x
    x = 18,068,323,534.23/155,707.22
  6. Step 6: Final answer
    x = 116,040.37

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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.