Home / 155,292.56-214,019.52-112,777.28

Finding the Fourth Proportional to 155,292.56, 214,019.52 and 112,777.28

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Solution

The fourth proportional to 155,292.56, 214,019.52 and 112,777.28 is: 155,426.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,292.56 : 214,019.52 = 112,777.28 : x
  2. Step 2: Convert to fraction form
    155,292.56/214,019.52 = 112,777.28/x
  3. Step 3: Cross multiply
    155,292.56x = 214,019.52 × 112,777.28
  4. Step 4: Simplify right side
    155,292.56x = 24,136,539,332.51
  5. Step 5: Solve for x
    x = 24,136,539,332.51/155,292.56
  6. Step 6: Final answer
    x = 155,426.24

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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.