Home / 127,088.68-175,379.70-70,499.56

Finding the Fourth Proportional to 127,088.68, 175,379.70 and 70,499.56

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Solution

The fourth proportional to 127,088.68, 175,379.70 and 70,499.56 is: 97,287.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,088.68 : 175,379.70 = 70,499.56 : x
  2. Step 2: Convert to fraction form
    127,088.68/175,379.70 = 70,499.56/x
  3. Step 3: Cross multiply
    127,088.68x = 175,379.70 × 70,499.56
  4. Step 4: Simplify right side
    127,088.68x = 12,364,191,682.93
  5. Step 5: Solve for x
    x = 12,364,191,682.93/127,088.68
  6. Step 6: Final answer
    x = 97,287.91

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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.