Home / 255,187.32-352,155.60-140,463.51

Finding the Fourth Proportional to 255,187.32, 352,155.60 and 140,463.51

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Solution

The fourth proportional to 255,187.32, 352,155.60 and 140,463.51 is: 193,838.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,187.32 : 352,155.60 = 140,463.51 : x
  2. Step 2: Convert to fraction form
    255,187.32/352,155.60 = 140,463.51/x
  3. Step 3: Cross multiply
    255,187.32x = 352,155.60 × 140,463.51
  4. Step 4: Simplify right side
    255,187.32x = 49,465,011,642.16
  5. Step 5: Solve for x
    x = 49,465,011,642.16/255,187.32
  6. Step 6: Final answer
    x = 193,838.05

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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.