Home / 155,721.28-214,777.74-134,248.18

Finding the Fourth Proportional to 155,721.28, 214,777.74 and 134,248.18

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Solution

The fourth proportional to 155,721.28, 214,777.74 and 134,248.18 is: 185,161.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,721.28 : 214,777.74 = 134,248.18 : x
  2. Step 2: Convert to fraction form
    155,721.28/214,777.74 = 134,248.18/x
  3. Step 3: Cross multiply
    155,721.28x = 214,777.74 × 134,248.18
  4. Step 4: Simplify right side
    155,721.28x = 28,833,520,699.51
  5. Step 5: Solve for x
    x = 28,833,520,699.51/155,721.28
  6. Step 6: Final answer
    x = 185,161.08

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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.