Home / 212,119.88-292,726.58-124,908.76

Finding the Fourth Proportional to 212,119.88, 292,726.58 and 124,908.76

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Solution

The fourth proportional to 212,119.88, 292,726.58 and 124,908.76 is: 172,374.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,119.88 : 292,726.58 = 124,908.76 : x
  2. Step 2: Convert to fraction form
    212,119.88/292,726.58 = 124,908.76/x
  3. Step 3: Cross multiply
    212,119.88x = 292,726.58 × 124,908.76
  4. Step 4: Simplify right side
    212,119.88x = 36,564,114,126.84
  5. Step 5: Solve for x
    x = 36,564,114,126.84/212,119.88
  6. Step 6: Final answer
    x = 172,374.77

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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.