Home / 127,299.21-175,678.47-70,710.59

Finding the Fourth Proportional to 127,299.21, 175,678.47 and 70,710.59

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Solution

The fourth proportional to 127,299.21, 175,678.47 and 70,710.59 is: 97,583.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,299.21 : 175,678.47 = 70,710.59 : x
  2. Step 2: Convert to fraction form
    127,299.21/175,678.47 = 70,710.59/x
  3. Step 3: Cross multiply
    127,299.21x = 175,678.47 × 70,710.59
  4. Step 4: Simplify right side
    127,299.21x = 12,422,327,385.61
  5. Step 5: Solve for x
    x = 12,422,327,385.61/127,299.21
  6. Step 6: Final answer
    x = 97,583.70

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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.