Home / 236,425.65-326,266.29-128,995.35

Finding the Fourth Proportional to 236,425.65, 326,266.29 and 128,995.35

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Solution

The fourth proportional to 236,425.65, 326,266.29 and 128,995.35 is: 178,012.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,425.65 : 326,266.29 = 128,995.35 : x
  2. Step 2: Convert to fraction form
    236,425.65/326,266.29 = 128,995.35/x
  3. Step 3: Cross multiply
    236,425.65x = 326,266.29 × 128,995.35
  4. Step 4: Simplify right side
    236,425.65x = 42,086,834,271.75
  5. Step 5: Solve for x
    x = 42,086,834,271.75/236,425.65
  6. Step 6: Final answer
    x = 178,012.98

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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.