Home / 85,207.84-127,625.50-70,248.76

Finding the Fourth Proportional to 85,207.84, 127,625.50 and 70,248.76

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Solution

The fourth proportional to 85,207.84, 127,625.50 and 70,248.76 is: 105,219.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,207.84 : 127,625.50 = 70,248.76 : x
  2. Step 2: Convert to fraction form
    85,207.84/127,625.50 = 70,248.76/x
  3. Step 3: Cross multiply
    85,207.84x = 127,625.50 × 70,248.76
  4. Step 4: Simplify right side
    85,207.84x = 8,965,533,119.38
  5. Step 5: Solve for x
    x = 8,965,533,119.38/85,207.84
  6. Step 6: Final answer
    x = 105,219.58

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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.