Home / 127,127.84-175,436.52-70,539.18

Finding the Fourth Proportional to 127,127.84, 175,436.52 and 70,539.18

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Solution

The fourth proportional to 127,127.84, 175,436.52 and 70,539.18 is: 97,344.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,127.84 : 175,436.52 = 70,539.18 : x
  2. Step 2: Convert to fraction form
    127,127.84/175,436.52 = 70,539.18/x
  3. Step 3: Cross multiply
    127,127.84x = 175,436.52 × 70,539.18
  4. Step 4: Simplify right side
    127,127.84x = 12,375,148,262.85
  5. Step 5: Solve for x
    x = 12,375,148,262.85/127,127.84
  6. Step 6: Final answer
    x = 97,344.12

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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.