Home / 127,439.06-175,875.10-70,858.94

Finding the Fourth Proportional to 127,439.06, 175,875.10 and 70,858.94

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Solution

The fourth proportional to 127,439.06, 175,875.10 and 70,858.94 is: 97,790.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,439.06 : 175,875.10 = 70,858.94 : x
  2. Step 2: Convert to fraction form
    127,439.06/175,875.10 = 70,858.94/x
  3. Step 3: Cross multiply
    127,439.06x = 175,875.10 × 70,858.94
  4. Step 4: Simplify right side
    127,439.06x = 12,462,322,101.87
  5. Step 5: Solve for x
    x = 12,462,322,101.87/127,439.06
  6. Step 6: Final answer
    x = 97,790.45

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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.