Home / 236,460.42-326,314.08-129,030.12

Finding the Fourth Proportional to 236,460.42, 326,314.08 and 129,030.12

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Solution

The fourth proportional to 236,460.42, 326,314.08 and 129,030.12 is: 178,060.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,460.42 : 326,314.08 = 129,030.12 : x
  2. Step 2: Convert to fraction form
    236,460.42/326,314.08 = 129,030.12/x
  3. Step 3: Cross multiply
    236,460.42x = 326,314.08 × 129,030.12
  4. Step 4: Simplify right side
    236,460.42x = 42,104,344,900.09
  5. Step 5: Solve for x
    x = 42,104,344,900.09/236,460.42
  6. Step 6: Final answer
    x = 178,060.86

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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.