Home / 236,298.36-354,340.93-67,780.45

Finding the Fourth Proportional to 236,298.36, 354,340.93 and 67,780.45

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Solution

The fourth proportional to 236,298.36, 354,340.93 and 67,780.45 is: 101,640.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,298.36 : 354,340.93 = 67,780.45 : x
  2. Step 2: Convert to fraction form
    236,298.36/354,340.93 = 67,780.45/x
  3. Step 3: Cross multiply
    236,298.36x = 354,340.93 × 67,780.45
  4. Step 4: Simplify right side
    236,298.36x = 24,017,387,688.82
  5. Step 5: Solve for x
    x = 24,017,387,688.82/236,298.36
  6. Step 6: Final answer
    x = 101,640.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.