Home / 127,158.12-175,457.70-73,434.60

Finding the Fourth Proportional to 127,158.12, 175,457.70 and 73,434.60

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Solution

The fourth proportional to 127,158.12, 175,457.70 and 73,434.60 is: 101,327.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,158.12 : 175,457.70 = 73,434.60 : x
  2. Step 2: Convert to fraction form
    127,158.12/175,457.70 = 73,434.60/x
  3. Step 3: Cross multiply
    127,158.12x = 175,457.70 × 73,434.60
  4. Step 4: Simplify right side
    127,158.12x = 12,884,666,016.42
  5. Step 5: Solve for x
    x = 12,884,666,016.42/127,158.12
  6. Step 6: Final answer
    x = 101,327.91

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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.