Home / 127,437.99-175,845.14-72,981.69

Finding the Fourth Proportional to 127,437.99, 175,845.14 and 72,981.69

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Solution

The fourth proportional to 127,437.99, 175,845.14 and 72,981.69 is: 100,703.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,437.99 : 175,845.14 = 72,981.69 : x
  2. Step 2: Convert to fraction form
    127,437.99/175,845.14 = 72,981.69/x
  3. Step 3: Cross multiply
    127,437.99x = 175,845.14 × 72,981.69
  4. Step 4: Simplify right side
    127,437.99x = 12,833,475,130.58
  5. Step 5: Solve for x
    x = 12,833,475,130.58/127,437.99
  6. Step 6: Final answer
    x = 100,703.68

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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.