Home / 236,424.77-326,265.70-128,994.74

Finding the Fourth Proportional to 236,424.77, 326,265.70 and 128,994.74

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Solution

The fourth proportional to 236,424.77, 326,265.70 and 128,994.74 is: 178,012.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,424.77 : 326,265.70 = 128,994.74 : x
  2. Step 2: Convert to fraction form
    236,424.77/326,265.70 = 128,994.74/x
  3. Step 3: Cross multiply
    236,424.77x = 326,265.70 × 128,994.74
  4. Step 4: Simplify right side
    236,424.77x = 42,086,559,142.42
  5. Step 5: Solve for x
    x = 42,086,559,142.42/236,424.77
  6. Step 6: Final answer
    x = 178,012.48

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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.