Home / 127,347.59-175,731.12-69,985.67

Finding the Fourth Proportional to 127,347.59, 175,731.12 and 69,985.67

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Solution

The fourth proportional to 127,347.59, 175,731.12 and 69,985.67 is: 96,575.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,347.59 : 175,731.12 = 69,985.67 : x
  2. Step 2: Convert to fraction form
    127,347.59/175,731.12 = 69,985.67/x
  3. Step 3: Cross multiply
    127,347.59x = 175,731.12 × 69,985.67
  4. Step 4: Simplify right side
    127,347.59x = 12,298,660,282.88
  5. Step 5: Solve for x
    x = 12,298,660,282.88/127,347.59
  6. Step 6: Final answer
    x = 96,575.52

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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.