Home / 173,278.81-239,113.51-100,675.27

Finding the Fourth Proportional to 173,278.81, 239,113.51 and 100,675.27

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Solution

The fourth proportional to 173,278.81, 239,113.51 and 100,675.27 is: 138,925.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,278.81 : 239,113.51 = 100,675.27 : x
  2. Step 2: Convert to fraction form
    173,278.81/239,113.51 = 100,675.27/x
  3. Step 3: Cross multiply
    173,278.81x = 239,113.51 × 100,675.27
  4. Step 4: Simplify right side
    173,278.81x = 24,072,817,179.90
  5. Step 5: Solve for x
    x = 24,072,817,179.90/173,278.81
  6. Step 6: Final answer
    x = 138,925.34

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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.