Home / 236,725.79-326,681.57-129,296.07

Finding the Fourth Proportional to 236,725.79, 326,681.57 and 129,296.07

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Solution

The fourth proportional to 236,725.79, 326,681.57 and 129,296.07 is: 178,428.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,725.79 : 326,681.57 = 129,296.07 : x
  2. Step 2: Convert to fraction form
    236,725.79/326,681.57 = 129,296.07/x
  3. Step 3: Cross multiply
    236,725.79x = 326,681.57 × 129,296.07
  4. Step 4: Simplify right side
    236,725.79x = 42,238,643,465.67
  5. Step 5: Solve for x
    x = 42,238,643,465.67/236,725.79
  6. Step 6: Final answer
    x = 178,428.57

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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.