Home / 158,712.57-238,130.82-69,903.63

Finding the Fourth Proportional to 158,712.57, 238,130.82 and 69,903.63

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Solution

The fourth proportional to 158,712.57, 238,130.82 and 69,903.63 is: 104,882.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,712.57 : 238,130.82 = 69,903.63 : x
  2. Step 2: Convert to fraction form
    158,712.57/238,130.82 = 69,903.63/x
  3. Step 3: Cross multiply
    158,712.57x = 238,130.82 × 69,903.63
  4. Step 4: Simplify right side
    158,712.57x = 16,646,208,732.88
  5. Step 5: Solve for x
    x = 16,646,208,732.88/158,712.57
  6. Step 6: Final answer
    x = 104,882.74

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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.