Home / 127,421.28-175,837.64-70,060.68

Finding the Fourth Proportional to 127,421.28, 175,837.64 and 70,060.68

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Solution

The fourth proportional to 127,421.28, 175,837.64 and 70,060.68 is: 96,681.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,421.28 : 175,837.64 = 70,060.68 : x
  2. Step 2: Convert to fraction form
    127,421.28/175,837.64 = 70,060.68/x
  3. Step 3: Cross multiply
    127,421.28x = 175,837.64 × 70,060.68
  4. Step 4: Simplify right side
    127,421.28x = 12,319,304,277.69
  5. Step 5: Solve for x
    x = 12,319,304,277.69/127,421.28
  6. Step 6: Final answer
    x = 96,681.69

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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.